📖 California DMV Study Guide

Everything important from the California Driver's Handbook (2025) — organized for the exam

⭐

Memorize these numbers first. California DMV test questions are frequently built around specific distances, speeds, BAC levels, and time periods. These come up constantly.

Speed Limits

HIGH FREQUENCY

Basic Speed Law

California's Basic Speed Law — never drive faster than is safe for current conditions. Posted limits are maximums for ideal conditions; reduce speed for rain, traffic, or other hazards (Section 8).

25 mph

School zone speed limit in California when children are present — applies within 500–1,000 ft of a school. Violation can suspend a minor's license up to 1 year (Section 7).

65 / 55 mph

Maximum on most California highways is 65 mph. Two-lane undivided highways and vehicles towing trailers: 55 mph. Railroad crossing with limited visibility: 15 mph within 100 ft (Section 8).

Posted

Speed limits are posted for ideal conditions. Drivers must reduce speed for rain, ice, heavy traffic, or any condition that makes the posted speed unsafe.

3 seconds

California uses a 3-second following rule. Pick a fixed point; if you reach it before three seconds, you're following too closely (Section 8).

10 seconds

Scan the road at least 10 seconds ahead of your vehicle. Increase following distance behind motorcyclists, in rain, fog, or on slippery surfaces (Section 8).

📏

Critical Distances & Clearances

HIGH FREQUENCY

15 ft

Do not park within 15 feet of a fire hydrant or a fire-station driveway (Section 6: Navigating the Roads).

20 ft

Do not park within 20 feet of an unmarked or marked crosswalk at an intersection (Section 6).

3 ft

Do not park within 3 feet of a sidewalk ramp for persons with disabilities. California's handbook does not publish a specific stop-sign/traffic-signal clearance — always leave a clear view (Section 6).

100 ft

Do not park within 100 feet of an intersection, bridge, tunnel, or railroad crossing (Section 6).

18 in

Parallel park within 18 inches of the curb — your vehicle must also be parallel to the road (Section 6: Navigating the Roads, p.26).

Both headlights

After passing, return to your lane only when you can see BOTH headlights of the passed vehicle in your rearview mirror.

500 / 300 ft

Dim high beams within 500 feet of an oncoming vehicle and within 300 feet when following another vehicle. Also use low beams in fog, rain, snow, or smoke (Section 5).

1,000 ft

Turn on headlights anytime it is too dark to see persons or vehicles at least 1,000 feet away. Do not drive with parking lights only (Section 5).

100 ft

Start signaling at least 100 feet before the turn or lane change. On higher-speed roads, signal five seconds (~400 ft at 65 mph) before changing lanes (Section 6).

Primary

California is a primary-enforcement state — every driver and passenger must wear a properly fastened lap and shoulder belt. A driver may also be ticketed if a passenger under 16 is unbuckled (Section 8).

3 ft

Give bicyclists at least 3 feet of clearance when passing. If you cannot, wait until you can pass safely (Section 7).

Stop

On an undivided road, all traffic must stop when a school bus shows flashing red lights. On a divided road or multilane highway, opposite-direction traffic may proceed with caution (Section 7).

🍺

DUI & Alcohol Numbers

ALWAYS ON TEST

0.08%

Legal BAC limit for drivers 21+. Lower limits apply to commercial drivers (0.04%), passenger-for-hire (0.04%), and anyone on DUI probation (0.01%) (Section 9).

0.01%

Zero Tolerance BAC for drivers under 21. A PAS reading of 0.05% can trigger a full breath or blood test. A DUI conviction revokes driving privilege 1 year and may delay a first license 1 year (Section 9).

1st DUI

Up to 6 months jail, DUI program, SR 22/SR 1P filing, possible ignition interlock device, driving privilege suspended or revoked 1 year. Specific fines set by court (Section 9).

Implied Consent

Driving in California implies consent to breath, blood, or urine testing if an officer suspects DUI. Refusing any test = 1-year suspension or revocation; temp license 30 days; request a DMV hearing within 10 days (Section 9).

10 years

All DUI convictions stay on the California driving record for 10 years. A second DUI during that window brings additional court and DMV penalties; reinstatement requires SR 22/SR 1P on file (Section 9).

🎓

Teen / GDL Numbers

ON EXAM

15½

Minimum age for a California instruction permit. Under 18: must complete a DMV-approved driver education program, have a parent/guardian sign, and begin behind-the-wheel driver training to validate the permit (Section 2).

Minimum age for a California provisional driver's license. Prerequisites: permit held 6 months, driver education, driver training, and 50 hours of practice (10 at night) with a California-licensed driver 25+ (Section 2).

11 p.m.–5 a.m.

During the first 12 months of a provisional license (under 18), no driving between 11 p.m. and 5 a.m. Exceptions — medical, school, work, or immediate-family travel — require a signed note (Section 2).

Under 20

During the first 12 months, provisional drivers may not transport passengers under 20 unless a parent, guardian, or California-licensed driver 25+ rides along. Exceptions for medical, school, work, or family — signed notes required (Section 2).

6 months

Minors must hold the instruction permit for at least 6 months (or turn 18) before the behind-the-wheel drive test. Must complete 50 hours of supervised practice — 10 at night — with a California-licensed driver 25+ (Section 2).

Age 18

Provisional curfew and passenger restrictions automatically lift at age 18. Turning 18 does NOT erase prior suspensions or probation. Confirm current renewal period and fee at dmv.ca.gov/dlservices (Section 2).

⏱️

Following Distance & Time Rules

ON EXAM

3 seconds

California uses the 3-second following rule. When the car ahead passes a fixed point, start counting "one-one-thousand, two-one-thousand, three-one-thousand." If you reach the object first, you're too close (Section 8).

4+ seconds

Increase beyond 3 seconds behind motorcyclists on metal surfaces (bridge gratings, railroad tracks) and gravel, and in rain, fog, or on slippery surfaces (Section 8).

300 / 400 ft

A car travelling 55 mph can stop within about 300 feet; a large vehicle at the same speed can take up to 400 feet. Heavier vehicle + faster speed = longer stopping distance (Section 7).

Hands-free

Adults may only use a phone hands-free. Drivers under 18 may not use any wireless device — including hands-free — except for emergency calls. Texting and email are illegal at any age (Section 8).

🚦

Road signs are tested heavily. Know each sign's shape, color, and meaning. The real test often shows a sign description and asks what it means.

🔴

Sign Shapes — Each Shape Has One Meaning

ALWAYS TESTED

Shape	Meaning	Example
Octagon (8-sided)	STOP — always and only	Stop sign
Triangle (pointing down)	YIELD — give right of way	Yield sign
Diamond	WARNING — hazard ahead	Curve, pedestrian, deer
Pentagon (5-sided)	SCHOOL ZONE	School crossing
Pennant (triangle right)	NO PASSING ZONE	No-passing pennant
Round (circle)	RAILROAD CROSSING advance warning	RR crossing sign
Rectangle (vertical)	REGULATORY — rules you must follow	Speed limit, turn restrictions
Rectangle (horizontal)	GUIDE or INFORMATION	Street name, mile marker
X-shaped crossbuck	RAILROAD CROSSING — treat like yield	Railroad crossbuck

🎨

Sign Colors — Color Tells You the Category

ALWAYS TESTED

Color	Category	What It Means
Red	Regulatory — STOP / PROHIBIT	Stop, yield, do not enter, wrong way, no-turn circles
Yellow	WARNING	General hazard warnings — curves, hills, intersections, animals
Orange	WORK ZONE / CONSTRUCTION	Fines are increased in California construction or maintenance zones when workers are present. Obey flaggers, reduce speed, merge early. Specific fine ranges are set by court under the Vehicle Code (Section 7).
Green	GUIDE / DIRECTIONAL	Highway exits, distances, direction, mile markers
Blue	SERVICES	Gas, food, lodging, hospital, rest area
Brown	RECREATION / CULTURAL	Parks, campgrounds, historical sites, scenic areas
White	REGULATORY	Speed limits, lane rules, turn restrictions
Fluorescent Yellow-Green	WARNING — pedestrian / school / bike	School zones, crosswalks, bike lanes
Fluorescent Pink	INCIDENT MANAGEMENT	Crash clean-up, debris removal, temporary traffic control

⚠️

Signs That Are Frequently Confused

TRICKY

No Passing Pennant vs. No U-Turn: The pennant (pointing right) = no passing. A circle with a slash over a U-turn arrow = no U-turn. Very different.

Crossbuck (RR) vs. Stop Sign: The crossbuck (white X) = yield/slow down and check. Only stop if a train is coming. The octagon = always stop.

Divided Highway Begins vs. Ends: Begins = two arrows pointing apart (median starts). Ends = two arrows merging together (median ends — expect two-way traffic).

Merge vs. Lane Ends: Merge = two roads joining (both cars adjust). Lane Ends = one lane disappears — that driver must yield and merge.

Red Circle with Slash: Always means that action is PROHIBITED. No left turn, no trucks, no bicycles — whatever is inside the circle is forbidden.

⭐

Right of way is the #1 failure topic on the DMV knowledge test. Master every scenario below — these questions will be on your exam.

⛽

The Core Right-of-Way Rules

MOST TESTED

Uncontrolled intersection — arrive at same time: Yield to the driver on your RIGHT. This is the most tested right-of-way rule.

Left turn at green light: You must always yield to oncoming traffic AND pedestrians — even with a green light. A green light is permission to go, not a guarantee of right of way.

Pedestrians in a crosswalk: Always yield. Stop and wait until the pedestrian has completely crossed — not just stepped back. This includes jaywalkers in many situations.

Blind pedestrian (white cane / guide dog): Absolute right of way — you must stop regardless of where they are crossing.

Four-way stop: First to arrive goes first. Simultaneous arrival = yield to the driver on your right. Straight traffic before turning traffic if both arrive at same time from opposite directions.

Emergency vehicles (lights + siren): Pull to the right edge of the road and stop. Clear intersections first — never stop IN an intersection.

Entering from driveway / private road: Always yield to all traffic on the public road — you have no right of way entering from private property.

Roundabout: Vehicles inside the roundabout always have right of way. Entering traffic must yield. When exiting, yield to pedestrians at the crosswalk.

Merging onto a highway: Traffic already on the highway has right of way. The merging vehicle must yield and find a safe gap.

Non-functioning traffic signal: Treat as an all-way stop. All drivers stop, yield, and take turns.

💡

Right-of-Way Scenarios That Trick People

TRICKY

Yellow light: It does NOT mean speed up. If you can stop safely, you must. Proceed only if stopping would be unsafe (you're too close to stop).

Already in intersection when light turns red: Complete the turn — you are committed. Other traffic must wait for you to clear.

Backing out of a driveway: The reversing vehicle always yields to street traffic. You have no right of way in reverse.

Move-Over / passing stopped emergency or service vehicles: When approaching a stopped emergency, tow, or CHP vehicle with flashing lights on a California highway, you must move to a non-adjacent lane when safe, or slow to a reasonable and prudent speed. Do not follow a fire truck, law enforcement, or ambulance with lights on within 300 feet (Sections 7–8).

Right turn on red: Legal ONLY after a complete stop and yielding to ALL traffic and pedestrians. Rolling right on red is illegal.

Left on red: Legal ONLY when turning from a one-way street onto another one-way street — after a complete stop and yielding.

🚥

Traffic Signal Meanings

ALWAYS TESTED

Signal	What You Must Do
Solid GREEN	Proceed — but yield to traffic already in intersection
Solid YELLOW	Prepare to stop if safe; proceed only if stopping would be dangerous
Solid RED	Stop completely; may turn right on red after stop and yield (unless posted)
GREEN ARROW	Protected turn — oncoming traffic must stop. You may turn in the arrow's direction, but still yield to vehicles and pedestrians already in the intersection.
YELLOW ARROW	Protected turn is ending — prepare to yield or stop
Flashing YELLOW ARROW	Unprotected turn — you MAY turn but MUST yield to oncoming and pedestrians
Flashing RED	Treat exactly like a STOP sign — stop, yield, proceed when safe
Flashing YELLOW	Caution — slow down and proceed carefully. Do not need to stop.
RED + GREEN ARROW	Stop for through traffic; turn in direction of arrow only
Signal NOT working	Treat as ALL-WAY STOP — all traffic stops

🛣️

Lane Markings — Know Each One

ON EXAM

Broken yellow center line: Passing is permitted from your side when it is safe.

Solid yellow line on your side: No passing from your side of the road.

Double solid yellow: No passing in either direction.

White lines: Separate traffic going in the same direction. Broken = lane change ok. Solid = discouraged (but not always illegal).

Yellow lines: Separate traffic going in opposite directions.

Center left-turn lane (two-way turn lane): Use ONLY to prepare for and make a left turn. Never use as a travel or passing lane.

Yellow X over a lane: Lane is CLOSED — move to a lane with a green arrow immediately.

White stop line: Stop your front bumper at or behind this line at intersections and crosswalks.

↔️

Safe Lane Changing Procedure

STEP BY STEP

Check your mirrors — rearview and side mirror on the side you're moving to

Signal your intent — signal at least 100 feet before the turn or lane change, or five seconds (~400 ft at 65 mph) before changing lanes at higher speed (Section 6).

Look over your shoulder — physically check the blind spot. Mirrors cannot see everything.

Change lanes gradually — smooth and controlled, not jerky

Cancel signal and adjust speed to match the lane's traffic flow

🚨

DUI questions appear on virtually every DMV knowledge test. Know the BAC levels, implied consent law, and penalties. California uses the term "DUI" (Driving Under the Influence).

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DUI Laws — The Numbers You Must Know

ALWAYS ON TEST

Situation	Consequence
BAC of 0.08%+ (driver 21+)	DUI — 1st conviction can bring up to 6 months jail, a DUI program, SR 22/SR 1P filing, possible ignition interlock device, and 1-year driving-privilege suspension or revocation. Specific fines set by court under the Vehicle Code (Section 9).
Impairment below the legal BAC limit	California allows DUI arrest and conviction at any BAC — including zero — when alcohol, prescription medication, over-the-counter drugs, or drug combinations impair driving ability (Section 9).
Test refusal (implied consent)	Driving in California implies consent to breath, blood, or urine testing. Refusing any test triggers a 1-year suspension or revocation under the Administrative Per Se law, plus a 30-day temporary license. Request a DMV hearing within 10 days of arrest. Reinstatement requires SR 22/SR 1P (Section 9).
BAC — under 21 (Zero Tolerance)	It is illegal to drive under 21 with a BAC of 0.01%+. A PAS reading of 0.05%+ may trigger a breath or blood test. Conviction = 1-year revocation and licensed DUI program. DMV may also delay a first driver's license by up to 1 year (Section 9).
CDL / commercial driver BAC	0.04% or higher is illegal for drivers of vehicles requiring a commercial driver's license, and for drivers carrying a passenger for hire (Section 9).
DUI — causing death or injury	Drivers who cause serious injury or death while under the influence face additional civil lawsuits on top of DUI penalties. Specific charge class and sentence are set by court under the California Vehicle Code (leginfo.legislature.ca.gov) (Section 9).

💡

Critical DUI Facts to Remember

TESTED

Implied consent: California authorizes breath, blood, or urine testing after a DUI arrest. Refusal = 1-year suspension or revocation and a temp license of 30 days; request a DMV hearing within 10 days to preserve your right to contest. Reinstatement requires SR 22/SR 1P on file (Section 9).

Only TIME removes alcohol: Coffee, food, cold showers, and fresh air do NOT lower your BAC. Your liver processes about 1 drink per hour — nothing speeds this up.

Impairment starts with the first drink: Judgment is the FIRST driving ability affected by alcohol. California can arrest and convict for DUI at any BAC — including zero — if impairment from alcohol, drugs, or a combination is observed (Section 9).

Under-21 Zero Tolerance: Drivers under 21 may not drive with a BAC of 0.01% or higher. A conviction revokes the driving privilege for 1 year; DMV may delay issuing a first driver's license by up to 1 year (Section 9).

Mixing drugs and alcohol: Never drink alcohol while taking medications or other drugs. Combinations may multiply effects, reduce driving ability, and cause serious health problems or death. Having a prescription is not a defense if the medication impairs driving.

Cell phone law: Adults may only use a phone in hands-free mode. Drivers under 18 may not use any wireless device — including hands-free — except for emergency calls. Mounted phones may be used with a single swipe or touch but must not block the view of the road (Section 8).

Drugs and driving: Driving while impaired by any drug — prescription, over-the-counter, or controlled — is illegal. Even legally prescribed medications that impair your ability to drive can lead to a DUI charge.

🚌

School bus rules are heavily tested. On an undivided road, all traffic — from any direction — must stop when a school bus has flashing red lights. On a divided road or multilane highway (2+ lanes in each direction), traffic moving in the opposite direction may proceed with caution (Section 7).

🚌

School Bus Stopping Rules

HEAVILY TESTED

Two-lane / undivided road: Traffic in BOTH directions must stop when a school bus shows flashing red lights on an undivided road. Remain stopped until the bus finishes loading/unloading and the red lights are off (Section 7).

Divided-highway exception: On a divided road or a multilane highway (2+ lanes in each direction), traffic moving in the opposite direction of the school bus may proceed with caution. Same-direction traffic must always stop (Section 7).

Same direction — always stop: Traffic traveling in the same direction as the bus must ALWAYS stop, regardless of road type or number of lanes.

After the bus stops: Remain stopped until the bus resumes motion or deactivates its warning signals AND all loading/unloading passengers have cleared the roadway. Then proceed slowly, watching carefully for children near the roadway.

When may you proceed: Only when the red lights STOP flashing, the stop arm retracts, and the bus begins moving. It is unlawful to pass a stopped school bus while it is loading or unloading passengers.

Yellow lights = warning: Yellow flashing = bus is about to stop. Slow down immediately and prepare to stop. Do not try to pass before it stops.

School buses must stop at ALL railroad crossings — regardless of whether warning signals are active. This is federal law.

Penalty for passing a stopped school bus: The California Driver's Handbook does not publish a specific fine schedule. Illegal passing is a moving violation set by court under the California Vehicle Code — points are added to your driving record (Section 7).

Subsequent / serious offenses: Escalated fines, points, and potential license action apply to repeat offenses or when an incident causes injury. Specific penalty class is set by court under the California Vehicle Code (leginfo.legislature.ca.gov).

Speed Laws — What You Must Know

ON EVERY TEST

Basic Speed Law: Drive at a speed that is reasonable and proper for existing conditions — even if that means going below the posted limit. Rain, fog, heavy traffic, school zones all require reduced speed.

Posted limits are MAXIMUMS: You may never legally exceed a posted limit, regardless of conditions, traffic, or what other drivers are doing.

Minimum speed law: Do not drive so slowly that you impede or block the normal flow of traffic. Driving too slowly is also illegal.

Work zone caution: Reduce speed in California construction or maintenance zones. Fines are increased when workers are present. Obey flagger directions, expect lane shifts, merge early (Section 7).

"Over-driving your headlights": Turn on headlights when it is too dark to see persons or vehicles at least 1,000 feet away. Use low beams in rain, fog, or smoke. Never drive faster than you can stop within the distance your headlights illuminate (Section 5).

Sight-distance rule for conditions: Pick a stationary object ahead and count your approach time. If you reach the object before the expected count — you are going too fast for the conditions. Slow down.

↔️

Following Distance — The 3-Second Rule

TESTED

Pick a fixed object — a sign, overpass, or lane marking ahead

When the car ahead passes it, start counting: "one-one-thousand, two-one-thousand, three-one-thousand"

If you pass the object before 3 seconds — you are following too closely. Slow down and increase the gap. In rain, fog, or on slippery surfaces, increase to 4+ seconds.

💡 When to increase beyond the minimum

Rain, snow, ice, or fog → 4 seconds minimum
Driving at night → increase beyond the minimum
Following a large truck or motorcycle → 4+ seconds
Towing a trailer → 4 seconds minimum
Driving at highway speeds → increase distance proportionally

📐

Passing Rules

TESTED

✓

You MAY pass when: There is a broken yellow line on your side, you have sufficient sight distance, and there is no sign or condition prohibiting passing.

✗

NEVER pass: Within 100 feet of an intersection, bridge, tunnel, or railroad crossing. On a hill, curve, or any place where vision is limited. In no-passing zones (solid yellow line on your side). Never pass within 200 feet of an oncoming vehicle. Never pass on the shoulder, and never pass a school bus with flashing red lights on an undivided road (Section 6).

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When it is safe to return: You may move back into your original lane when both headlights of the passed vehicle are visible in your rearview mirror.

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Passing on the right: Legal when the vehicle ahead is making a left turn and there is a safe lane to the right, or on a multi-lane road.

🅿️

Parking Clearance Requirements

TESTED

Location	Minimum Clearance
Fire hydrant	15 ft — no parking within 15 feet of a fire hydrant (Section 6)
Sidewalk ramp for disabled persons	3 ft — no parking within 3 feet. California's handbook does not publish a specific stop-sign/signal distance — always maintain clear visibility (Section 6)
Pedestrian safety zone	Never block a pedestrian safety zone or the diagonal access lines of an accessible parking space (Section 6)
Crosswalk at intersection	20 ft — no parking within 20 feet of an unmarked or marked crosswalk (Section 6)
Railroad crossing / intersection / bridge / tunnel	100 ft — no parking within 100 feet of any of these (Section 6)
Fire station driveway	15 ft — no parking within 15 feet of a fire-station driveway (Section 6)
Driveway entrance (public or private)	Not in front of — always prohibited
Accessible (disabled) space	Never without a valid DP placard or plate — also never park on the diagonal access lines. Specific fine/towing set by court under the California Vehicle Code (Section 6)
Inside an intersection or on a crosswalk	Never — always illegal
Bridge, overpass, or tunnel	100 ft — no parking within 100 feet; never park on the bridge, overpass, or tunnel itself (Section 6)
No Stopping zone	Never stop here, for any reason
No Parking zone	No parking — may stop to load/unload

⛰️

Parking on Hills — Wheel Position

TRICK QUESTION

💡

The rule: always turn wheels so that if the car rolls, it rolls away from traffic or is caught by the curb.

Situation	Turn Wheels	Why
Facing DOWNHILL, WITH curb	RIGHT (into curb)	Car rolls into curb and stops
Facing DOWNHILL, NO curb	RIGHT (away from road)	Car rolls away from traffic
Facing UPHILL, WITH curb	LEFT (away from curb)	Car rolls back, caught by curb
Facing UPHILL, NO curb	RIGHT (away from road)	Car rolls away from traffic

💡 Memory trick

Going downhill with a curb = wheels RIGHT into the curb
Going uphill with a curb = wheels LEFT, away from curb (tire catches it when rolling back)
No curb either way = wheels RIGHT, away from road

🎓

GDL questions appear on many tests. Know California's Graduated Driver Licensing program, the restrictions in each phase, and the specific ages, hold periods, and curfew hours.

🎓

California Graduated Driver Licensing (GDL)

ON EXAM

Phase 1 — Instruction Permit (age 15½)

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Minimum age: 15½. Under 18: complete a DMV-approved driver education program and have a parent/guardian sign to accept financial responsibility. Pay the DMV's non-refundable application fee at the office. Both parents must sign if they share joint custody (Section 2).

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Permit validity: remains valid while you progress toward the drive test. A parent or guardian may cancel the minor's permit by completing a Request for Cancellation or Surrender of a Driver License or ID Card form at any DMV office (Section 2).

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Supervisor: a California-licensed driver at least 18 years old (25+ for minors) must sit close enough to take control of the vehicle if needed. Must be awake and not impaired (Section 2).

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Must hold the instruction permit at least 6 months (or turn 18) before the behind-the-wheel drive test. Minors may not use any wireless device — even hands-free — except for emergency calls. Must log 50 practice hours (10 at night) (Section 2).

Phase 2 — Provisional Driver's License (age 16–17)

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Eligibility — at least 16 years old, held the instruction permit at least 6 months, completed a DMV-approved driver education program and behind-the-wheel driver training, and logged 50 hours of supervised practice (10 at night) with a California-licensed driver 25+ (Section 2).

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Restrictions (first 12 months) — no driving 11 p.m.–5 a.m.; no passengers under 20 unless parent/guardian or California-licensed 25+ rides along; no wireless device use including hands-free (emergency calls only). Exceptions for medical, school, work, or immediate family with signed notes (Section 2).

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License validity and fee: confirm current amount and period at dmv.ca.gov. Curfew and passenger restrictions lift automatically at age 18; turning 18 does not erase prior suspensions, restrictions, or probation (Section 2).

Full Unrestricted License (age 18)

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All GDL restrictions lift at age 18. Adults are not automatically issued a replacement license; request one through dmv.ca.gov/dlservices if needed (Section 4).

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Adult applicants (18+) with no prior license: proof of identity, two proofs of California residency, Social Security number (exceptions apply), application fee, vision test, knowledge test (36 questions — 83% to pass), and behind-the-wheel drive test (Sections 2–3).

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All California drivers may only use a cell phone in hands-free mode while driving. Holding the phone, texting, or reading email while driving is illegal at any age. Mounted phones may be used with a single swipe or touch if they don't block the view (Section 8).

🛡️

Emergency Situations — What to Do

TESTED

💨

Tire blowout: Hold the wheel FIRMLY. Ease off gas (don't brake suddenly). Let the car slow naturally. Then gently steer to safety. Sudden braking causes a spin.

💧

Hydroplaning: Ease off gas, hold wheel steady, avoid braking. Let tires re-contact the road. Don't jerk the wheel or brake hard.

🔥

Engine fire: Pull over immediately, turn off engine, get EVERYONE out and move far away (100+ feet). Call 911. Never open the hood.

⚡

Brakes fail: Shift to a lower gear. Use the parking brake gradually. Look for a safe area to slow to a stop. Rub a tire on the curb if needed.

🌊

Accelerator sticks: Shift to NEUTRAL immediately. Apply brakes. Pull over. Turn engine off.

🌀

Vehicle skids: Ease off gas and brakes. Steer in the direction you want the front to go (into the skid). Do not overcorrect.

🚂

Stalled on railroad tracks: Get everyone out immediately. Move away from the vehicle and the tracks. Locate the Emergency Notification System (ENS) sign for emergency contact information, and call for help — tell them a vehicle is on the tracks.

🌫️

Driving in fog: Use LOW beams (high beams reflect off fog and blind you). Slow significantly. Use fog lights if available. Consider pulling over.

😴

Drowsy driving: Only cure = sleep. Pull over and rest. Coffee, window down, and music are NOT effective solutions. Drowsy driving equals drunk driving in impairment level.

❄️

Stranded in a blizzard: Stay in the vehicle (it's shelter and visible). Run engine briefly for heat with window cracked to prevent CO poisoning. Signal for help with hazards.

🧠

Defensive Driving Principles

ESSENTIAL

Scan ahead: Look well ahead of your vehicle — at least a city block in town and farther on highways. Check mirrors every few seconds and whenever slowing, changing lanes, or approaching intersections.

Keep an escape route: Always know where you could go if the car ahead stopped suddenly.

Bridges freeze first: Cold air circulates above AND below a bridge. Bridges ice before road surface — always treat them as potentially icy in winter.

Head-on collision approaching: Brake hard and steer RIGHT — even off the road. A head-on crash at speed is almost always fatal; going off-road is survivable.

Road rage: Never engage, retaliate, or make eye contact. Don't respond with gestures. Slow down, create distance. Report to 911 if dangerous.

Front wheel off pavement: Don't jerk the wheel — it can roll the car. Ease off gas, brake gently, and gradually steer back. Hold on tight.

🔧

Vehicle Equipment Requirements

TESTED

Equipment	Requirement
Headlights (on)	Turn on headlights when it is too dark to see persons or vehicles at least 1,000 feet away. Use low beams in rain, fog, or snow. Do not drive with parking lights only (Section 5).
High beams (dim)	Dim high beams to low beams within 500 feet of an oncoming vehicle or within 300 feet of a vehicle you are following. Use low beams in fog, heavy rain, sleet, snow, or dust (Section 5).
Horn	Use when needed to prevent a crash. Do NOT use to express anger, greet friends, or encourage others to move. Avoid around blind pedestrians and animal-drawn vehicles.
Turn signals	Signal at least 100 feet before the turn or lane change. On higher-speed roads, signal five seconds (~400 ft at 65 mph) before changing lanes (Section 6).
Windshield	Must allow a full, clear, unblocked view for the driver and the DMV examiner. Windshield cracks may postpone the drive test. Nothing may obstruct the driver's view (Section 3).
TVs / video screens visible to driver	Prohibited while vehicle is in motion (navigation is typically excepted — confirm against California manual).
Muffler	Must prevent excessive or unusual noise
Brakes	Vehicles must have working service brakes capable of stopping under control. Parking brake required. Test brakes lightly after driving through deep water to dry them out.
Wipers	Must adequately clean the windshield when used
Tail lights / rear reflector	Tail lights and rear reflectors are required equipment on all vehicles. Keep lenses clean for night-driving visibility.
Tires	Tire condition and tread composition directly affect stopping distance. Proper inflation and good tread are critical.
Hazard lights	For use when parked/stopped in an emergency — not while driving normally
Seat belts & child restraints	Primary enforcement — every driver and passenger must buckle up. Rear-facing required under 2 yrs AND under 40 lbs AND under 3'4". Child restraint system under 8 yrs OR less than 4'9" (in the rear seat) (Section 8).

💡

Headlight Rules That Are Tested

TESTED

Headlights required by California law: turn on headlights when it is too dark to see persons or vehicles at least 1,000 feet away. Use low beams in rain, fog, or snow. Do not drive with parking lights only (Section 5).

Parking lights ≠ headlights: Parking lights are for indicating a parked vehicle only. Headlights are required for driving during the hours and conditions above — not parking lights.

Dim high beams: Within 500 feet of an oncoming vehicle, or within 300 feet of a vehicle you are following. Also use low beams on lighted city streets and in fog, heavy rain, sleet, snow, or dust (Section 5).

Night driving — "drive in your headlights": Never drive faster than you can stop within the distance lit by your headlights. This is called over-driving your headlights and is dangerous.

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Before the Test — What to Do

PREPARATION

Take the DMV Exam Simulator at least 5 times and score 90%+ consistently. Don't go in when you're scoring 80% — aim higher than the minimum.

Use the "Weak Spots" mode the night before. Every question you got wrong — review those explanations until you understand WHY, not just what the answer is.

Memorize the Key Numbers tab — BAC limits, distances, suspension periods, speed limits. These are direct exam fodder.

Get a good night's sleep. Drowsy test-taking impairs recall just like drowsy driving impairs reaction time.

Bring required documents: proof of identity, two proofs of California residency, Social Security number (exceptions apply), and a legal full-name document if names don't match. Under 18: parent/guardian signature + driver-education completion certificate. For REAL ID, see dmv.ca.gov/realid. Wear glasses or contacts if you use them.

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During the Test — How to Answer

STRATEGY

The safest answer is usually correct. When in doubt, pick the option that is most cautious, most yields, or stops the most. California tests reward safe, defensive driving choices.

Watch for "NEVER" and "ALWAYS" options. These are sometimes traps — but in driving law there are many absolute rules (ALWAYS stop for a school bus with flashing reds, NEVER pass on a hill crest, etc.).

"All of the above" is very often the correct answer on knowledge tests — especially for questions about DUI charges, suspension triggers, and violations.

Read every word. Test questions often hinge on words like "divided highway" vs. "undivided," "business district" vs. "residential," or "first offense" vs. "subsequent offense."

Refusing a BAC test — can cost your license. Refusing a breath, blood, or urine test after a DUI arrest triggers an automatic 1-year suspension or revocation under California's Implied Consent law. Refusal may be used as evidence of impairment in court (Section 9).

The real California DMV knowledge test: 36 multiple-choice questions (adults) or 46 (minors). Road signs are mixed into the same test. Pass with 83% — 30 correct out of 36, or 38 out of 46. Three attempts before you must reapply. Minors wait 7 days between fails. Pay a non-refundable application fee at the DMV office.

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Recommended Study Order

YOUR PLAN

Read Key Numbers tab — memorize every distance, speed, and BAC number

Read Right of Way + DUI tabs — the #1 and #2 failure topics

Read Road Signs + Signals tabs — shapes, colors, and signal meanings

Read School Buses + Parking tabs — specific rules with specific numbers

Take the Full Practice Bank — all available questions to identify weak spots

Use Weak Spots mode — drill every question you got wrong until you nail it

Run the DMV Exam Simulator 3–5 times — pass consistently with 90%+ before going in

Night before: Re-read the Key Numbers tab + Test-Day Tips tab. Good sleep. You've got this. ✅

📖 California DMV Study Guide

Speed Limits

Critical Distances & Clearances

DUI & Alcohol Numbers

Teen / GDL Numbers

Following Distance & Time Rules

Sign Shapes — Each Shape Has One Meaning

Sign Colors — Color Tells You the Category

Signs That Are Frequently Confused

The Core Right-of-Way Rules

Right-of-Way Scenarios That Trick People

Traffic Signal Meanings

Lane Markings — Know Each One

Safe Lane Changing Procedure

DUI Laws — The Numbers You Must Know

Critical DUI Facts to Remember

School Bus Stopping Rules

Speed Laws — What You Must Know

Following Distance — The 3-Second Rule

💡 When to increase beyond the minimum

Passing Rules

Parking Clearance Requirements

Parking on Hills — Wheel Position

💡 Memory trick

California Graduated Driver Licensing (GDL)

Emergency Situations — What to Do

Defensive Driving Principles

Vehicle Equipment Requirements

Headlight Rules That Are Tested

Before the Test — What to Do

During the Test — How to Answer

Top 10 Topics That Will Definitely Be on Your Test

Recommended Study Order

Ready to test what you've learned?

📖 California DMV Study Guide

What to Study Before the Real Test

Speed Limits

Critical Distances & Clearances

DUI & Alcohol Numbers

Teen / GDL Numbers

Following Distance & Time Rules

Sign Shapes — Each Shape Has One Meaning

Sign Colors — Color Tells You the Category

Signs That Are Frequently Confused

The Core Right-of-Way Rules

Right-of-Way Scenarios That Trick People

Traffic Signal Meanings

Lane Markings — Know Each One

Safe Lane Changing Procedure

DUI Laws — The Numbers You Must Know

Critical DUI Facts to Remember

School Bus Stopping Rules

Speed Laws — What You Must Know

Following Distance — The 3-Second Rule

💡 When to increase beyond the minimum

Passing Rules

Parking Clearance Requirements

Parking on Hills — Wheel Position

💡 Memory trick

California Graduated Driver Licensing (GDL)

Emergency Situations — What to Do

Defensive Driving Principles

Vehicle Equipment Requirements

Headlight Rules That Are Tested

Before the Test — What to Do

During the Test — How to Answer

Top 10 Topics That Will Definitely Be on Your Test

Recommended Study Order

Ready to test what you've learned?