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# [California Car Laws](https://www.californiacarlaws.com/ "California Car Laws") California car laws, rules and regulations - [Home](https://www.californiacarlaws.com/) - [Contact](https://www.californiacarlaws.com/contact/) - [Disclaimer](https://www.californiacarlaws.com/disclaimer/) - [Privacy Policy](https://www.californiacarlaws.com/privacy-policy/) - [Terms and Conditions](https://www.californiacarlaws.com/terms-and-conditions/) Welcome to CaliforniaCarLaws! This website will explain all car-related laws, rules and regulations in one place for quick and easy reference. ### California laws: - [Vehicle Emissions](https://www.californiacarlaws.com/smog-laws/) - [Exhaust Noise](https://www.californiacarlaws.com/exhaust-noise/) - [Window Tinting](https://www.californiacarlaws.com/window-tint/) - [Neon Underglow](https://www.californiacarlaws.com/neon-lights/) - [Registration Application](https://www.californiacarlaws.com/registration-application/) - [Financial Liability](https://www.californiacarlaws.com/financial-liability/) - [Novice Drivers](https://www.californiacarlaws.com/novice-driver-laws/) - [Driver’s License Types](https://www.californiacarlaws.com/drivers-license-types/) - [License Plates Disbursement](https://www.californiacarlaws.com/license-plates/) - [Specialty License Plates](https://www.californiacarlaws.com/special-license-plates/) - [Child Passenger Safety](https://www.californiacarlaws.com/child-passenger-safety/) - [Windshield Stickers](https://www.californiacarlaws.com/windshield-stickers/) - [Distracted Driving & Cellphone Usage](https://www.californiacarlaws.com/distracted-driving/) - [Cracked Windshields](https://www.californiacarlaws.com/cracked-windshield/) - [Street Racing](https://www.californiacarlaws.com/street-racing/) - [Police Laser Jamming](https://www.californiacarlaws.com/laser-jamming/) - [Other Traffic Laws](https://www.californiacarlaws.com/other-california-traffic-laws/) ### Disclaimer The information contained in this website is for general information purposes only. We do our very best to keep our information accurate, but we will not be held liable for any inaccuracies. Please consult your current state laws and DMV offices and double check everything with official sources! [Read our full disclaimer »](https://www.californiacarlaws.com/disclaimer/) ### Relevant links: - [California Department of Motor Vehicles (DMV)](https://www.dmv.ca.gov/portal/) This website is a participant in the Amazon Services LLC Associates Program and may earn commissions from qualifying purchases.  # Other California Traffic Laws This page contain various other important traffic laws in California pertaining to cars. ## Accident reporting Crashes are required to be reported in cases of death or injury or when property damage exceeds \$750.00. Reports must be filed within 10 days. ## Bumper height Modification of original vehicle bumper height is permitted. Maximum frame height: 23 inches for passenger vehicles. ## Driver’s license examination Written exam includes knowledge of motor vehicle laws, English language proficiency, and traffic signs and signals recognition. Roadside test is mandatory but may be waived if the applicant submits a license held by another jurisdiction and the DMV is able to verify there are no holds or impediments on the license. Roadside examination officers may refuse to administer the exam if applicant is unable to provide proof of financial responsibility. Applicants for a provisional license who fail the written exam must wait 1 week before re-taking the exam; those who fail the driving exam must wait 2 weeks before re-taking. Hearing and vision tests are also administered; visual acuity may not be 20/200 or worse when wearing corrective lenses. Application for [Class A or B license](https://www.californiacarlaws.com/drivers-license-types/) shall also include a report of medical examination of an applicant given not more than 2 years prior to the date of the application. ## Driver’s license application Application for license must be made not more than 10 days after establishing residence. Application must contain a legible print of the applicant’s thumb or finger and applicant’s social security number. Social security number does not appear on license. DMV must require all applicants to provide proof of legal presence in the U.S., including presence in the U.S. when authorized under federal law pursuant to the federal Deferred Action for Childhood Arrivals Program. Prior to issuing or renewing a license, the DMV must check the applicant’s record for traffic violations, accidents, failure to appear in court, or reports indicating incapacity to drive. All licenses must bear an engraved picture or photograph of the licensee. License is issued with a magnetic strip containing driver information. A non-commercial Class B license or endorsement must be obtained in order to operate a motor home of over 40 feet in length. Persons licensed to drive motor homes must submit medical information verifying minimal health requirements upon initial license application and every 2 years thereafter. License applicants that do not take driver education must wait until age 18 for license. They are not required to go through the intermediate license stage. ## Driver’s license renewal All original [driver licenses](https://www.californiacarlaws.com/drivers-license-types/) expire on the 5th birthday of the applicant following the date of the application for license and are renewable for successive 5-year periods. License renewal may be done by mail if licensee is not probationary and the licensee’s records for the 2 years preceding renewal show no violation of specified traffic laws, a point count of not more than 1, no refusal to submit to a chemical test, and no suspension of the license. No more than 2 sequential mail renewals are permitted. At age 70, mail renewal is prohibited. Spouse and/or dependents of military personnel may apply for a renewal of their license by calling DMV or requesting a no-fee 1-year extension by writing to the DMV. Licenses of out-of-state active military personnel are valid beyond their normal expiration date. Active military personnel with expired licenses must carry a DL 236 card with their licenses. Extended licenses are good for 30 days after return to California. ## Hazard light usage Hazard light use is not permitted while driving except to indicate a traffic hazard. ## Headlights usage Headlights are required to be on during darkness, when wipers are in continuous use, or when visibility is less than 1000 feet. ## Move over laws State law requires drivers to slow down and vacate the lane closest to a stationary emergency response vehicle flashing emergency lights if safe to do so. This includes tow trucks and Caltrans vehicles if displaying flashing amber warning lights. ## Mudguards Any motor vehicle with 3 or more wheels, or any trailer or semi-trailer must be equipped with mudguards if the body of the vehicle does not provide adequate protection against spray or splash of water or mud to the rear of the vehicle; trailers and semitrailers weighing less than 1,500 lbs. or vehicles made before January 1, 1971, and weighing less than 1,500 lbs. are not required to have mudguards. ## Radar detectors Radar detectors are permitted in the state of California. ## Radar jamming Interfering with devices that measure vehicle speed is not permitted in California as per [Vehicle Code section 28150](https://codes.findlaw.com/ca/vehicle-code/veh-sect-28150.html): > No vehicle shall be equipped with any device that is designed for, or is capable of, jamming, scrambling, neutralizing, disabling, or otherwise interfering with radar, laser, or any other electronic device used by a law enforcement agency to measure the speed of moving objects. See our article about [police lidar jamming laws](https://www.californiacarlaws.com/laser-jamming/) for more information. ## Railroad crossing Buses carrying passengers, motortrucks transporting employees, school buses, and vehicles carrying flammable materials, farm labor vehicles carrying passengers, commercial motor vehicles carrying chlorine, commercial motor vehicles requiring markings or placards according to federal regulations, cargo tank motor vehicles transporting a commodity that at time of loading had a temperature above its flashpoint, and cargo tankers whether loaded or empty must stop less than 50 feet but more than 15 feet from the nearest rail before proceeding, unless otherwise directed by a traffic officer or traffic control device. All other vehicles need only stop when directed to do so by traffic signal or traffic officer. ## Safety inspection Non-resident vehicles require a free safety inspection during their first car registration. Officers of the California Highway Patrol that believe a vehicle is being operated in an unsafe condition as to endanger any person may require the driver of the vehicle to stop and submit to an inspection of the vehicle. ## Seat belts Seats belts are required for the driver and all passengers age 16 and older. Violation of the seat belt law is a standard offense. Riding in the cargo area of a pickup truck is not permitted; some exceptions apply. For more details see our [California seat belt laws](https://www.californiacarlaws.com/seat-belt-laws/). ## Studded tires Studded tires are permitted November 1 to April 30 and if retracted, May 1 to October 31. ## Screens and monitors It is unlawful to drive a motor vehicle equipped with a television receiver, a video monitor, or a television or video screen, or any other similar means of usually displaying a television broadcast if the receiver is located in the vehicle at any point forward of the back of the driver’s seat. GPS navigation systems that are mountable on the windshield or the dashboard are permitted, as are systems designed to prevent the driver from viewing them. There is also an exemption for video event recorders that have the capability of monitoring driver performance, if mounted in specific locations. More information is provided in our [California vehicle screens](https://www.californiacarlaws.com/vehicle-tv/) article. ## Tire chains Tire chain usage is permitted for hazardous weather or other related incidents only, but may not damage the highway surface. ## Title application Certificate of ownership is issued by the DMV upon registration of vehicle. The DMV may issue a title to a non-registered vehicle so long as the vehicle has not been driven, moved, or left standing on a highway and will not be driven or moved. The vehicle title is valid until suspended, revoked, or canceled by the DMV or upon a transfer of interest in the vehicle. ## Title transfer of ownership An effective transfer requires endorsement and delivery of certificate of ownership by transferor to transferee and delivery by transferee of the certificate to the DMV, with proper transfer fee and application for transfer of registration, within 10 days of receipt by the transferee. Transfer may also be effected when an owner, within 5 calendar days of transfer or sale, provides notice to the DMV of such transfer or sale including the name and address of the owner and the transferee, a description of the vehicle, and the mileage at the time of sale or transfer. Prior to, or at the time of sale or transfer, the owner must provide the transferee with a valid certificate of compliance stating that the vehicle meets state air pollution control standards. ## Transfer of plates Transfer of [specialized plates](https://www.californiacarlaws.com/special-license-plates/) to another vehicle is permitted provided proper transfer fees are included. Regular plates remain with vehicle upon transfer or sale. This article about *Other California Traffic Laws* was last updated in 2026. If any of our information is incomplete or outdated please let us know. Thank you\! # Post navigation [← California License Plates Disbursement Laws](https://www.californiacarlaws.com/license-plates/) [Types of Driver’s Licenses in California →](https://www.californiacarlaws.com/drivers-license-types/) © 2026 [California Car Laws](https://www.californiacarlaws.com/). All rights reserved. 

This page contain various other important traffic laws in California pertaining to cars. ## Accident reporting Crashes are required to be reported in cases of death or injury or when property damage exceeds \$750.00. Reports must be filed within 10 days. ## Bumper height Modification of original vehicle bumper height is permitted. Maximum frame height: 23 inches for passenger vehicles. ## Driver’s license examination Written exam includes knowledge of motor vehicle laws, English language proficiency, and traffic signs and signals recognition. Roadside test is mandatory but may be waived if the applicant submits a license held by another jurisdiction and the DMV is able to verify there are no holds or impediments on the license. Roadside examination officers may refuse to administer the exam if applicant is unable to provide proof of financial responsibility. Applicants for a provisional license who fail the written exam must wait 1 week before re-taking the exam; those who fail the driving exam must wait 2 weeks before re-taking. Hearing and vision tests are also administered; visual acuity may not be 20/200 or worse when wearing corrective lenses. Application for [Class A or B license](https://www.californiacarlaws.com/drivers-license-types/) shall also include a report of medical examination of an applicant given not more than 2 years prior to the date of the application. ## Driver’s license application Application for license must be made not more than 10 days after establishing residence. Application must contain a legible print of the applicant’s thumb or finger and applicant’s social security number. Social security number does not appear on license. DMV must require all applicants to provide proof of legal presence in the U.S., including presence in the U.S. when authorized under federal law pursuant to the federal Deferred Action for Childhood Arrivals Program. Prior to issuing or renewing a license, the DMV must check the applicant’s record for traffic violations, accidents, failure to appear in court, or reports indicating incapacity to drive. All licenses must bear an engraved picture or photograph of the licensee. License is issued with a magnetic strip containing driver information. A non-commercial Class B license or endorsement must be obtained in order to operate a motor home of over 40 feet in length. Persons licensed to drive motor homes must submit medical information verifying minimal health requirements upon initial license application and every 2 years thereafter. License applicants that do not take driver education must wait until age 18 for license. They are not required to go through the intermediate license stage. ## Driver’s license renewal All original [driver licenses](https://www.californiacarlaws.com/drivers-license-types/) expire on the 5th birthday of the applicant following the date of the application for license and are renewable for successive 5-year periods. License renewal may be done by mail if licensee is not probationary and the licensee’s records for the 2 years preceding renewal show no violation of specified traffic laws, a point count of not more than 1, no refusal to submit to a chemical test, and no suspension of the license. No more than 2 sequential mail renewals are permitted. At age 70, mail renewal is prohibited. Spouse and/or dependents of military personnel may apply for a renewal of their license by calling DMV or requesting a no-fee 1-year extension by writing to the DMV. Licenses of out-of-state active military personnel are valid beyond their normal expiration date. Active military personnel with expired licenses must carry a DL 236 card with their licenses. Extended licenses are good for 30 days after return to California. ## Hazard light usage Hazard light use is not permitted while driving except to indicate a traffic hazard. ## Headlights usage Headlights are required to be on during darkness, when wipers are in continuous use, or when visibility is less than 1000 feet. ## Move over laws State law requires drivers to slow down and vacate the lane closest to a stationary emergency response vehicle flashing emergency lights if safe to do so. This includes tow trucks and Caltrans vehicles if displaying flashing amber warning lights. ## Mudguards Any motor vehicle with 3 or more wheels, or any trailer or semi-trailer must be equipped with mudguards if the body of the vehicle does not provide adequate protection against spray or splash of water or mud to the rear of the vehicle; trailers and semitrailers weighing less than 1,500 lbs. or vehicles made before January 1, 1971, and weighing less than 1,500 lbs. are not required to have mudguards. ## Radar detectors Radar detectors are permitted in the state of California. ## Radar jamming Interfering with devices that measure vehicle speed is not permitted in California as per [Vehicle Code section 28150](https://codes.findlaw.com/ca/vehicle-code/veh-sect-28150.html): > No vehicle shall be equipped with any device that is designed for, or is capable of, jamming, scrambling, neutralizing, disabling, or otherwise interfering with radar, laser, or any other electronic device used by a law enforcement agency to measure the speed of moving objects. See our article about [police lidar jamming laws](https://www.californiacarlaws.com/laser-jamming/) for more information. ## Railroad crossing Buses carrying passengers, motortrucks transporting employees, school buses, and vehicles carrying flammable materials, farm labor vehicles carrying passengers, commercial motor vehicles carrying chlorine, commercial motor vehicles requiring markings or placards according to federal regulations, cargo tank motor vehicles transporting a commodity that at time of loading had a temperature above its flashpoint, and cargo tankers whether loaded or empty must stop less than 50 feet but more than 15 feet from the nearest rail before proceeding, unless otherwise directed by a traffic officer or traffic control device. All other vehicles need only stop when directed to do so by traffic signal or traffic officer. ## Safety inspection Non-resident vehicles require a free safety inspection during their first car registration. Officers of the California Highway Patrol that believe a vehicle is being operated in an unsafe condition as to endanger any person may require the driver of the vehicle to stop and submit to an inspection of the vehicle. ## Seat belts Seats belts are required for the driver and all passengers age 16 and older. Violation of the seat belt law is a standard offense. Riding in the cargo area of a pickup truck is not permitted; some exceptions apply. For more details see our [California seat belt laws](https://www.californiacarlaws.com/seat-belt-laws/). ## Studded tires Studded tires are permitted November 1 to April 30 and if retracted, May 1 to October 31. ## Screens and monitors It is unlawful to drive a motor vehicle equipped with a television receiver, a video monitor, or a television or video screen, or any other similar means of usually displaying a television broadcast if the receiver is located in the vehicle at any point forward of the back of the driver’s seat. GPS navigation systems that are mountable on the windshield or the dashboard are permitted, as are systems designed to prevent the driver from viewing them. There is also an exemption for video event recorders that have the capability of monitoring driver performance, if mounted in specific locations. More information is provided in our [California vehicle screens](https://www.californiacarlaws.com/vehicle-tv/) article. ## Tire chains Tire chain usage is permitted for hazardous weather or other related incidents only, but may not damage the highway surface. ## Title application Certificate of ownership is issued by the DMV upon registration of vehicle. The DMV may issue a title to a non-registered vehicle so long as the vehicle has not been driven, moved, or left standing on a highway and will not be driven or moved. The vehicle title is valid until suspended, revoked, or canceled by the DMV or upon a transfer of interest in the vehicle. ## Title transfer of ownership An effective transfer requires endorsement and delivery of certificate of ownership by transferor to transferee and delivery by transferee of the certificate to the DMV, with proper transfer fee and application for transfer of registration, within 10 days of receipt by the transferee. Transfer may also be effected when an owner, within 5 calendar days of transfer or sale, provides notice to the DMV of such transfer or sale including the name and address of the owner and the transferee, a description of the vehicle, and the mileage at the time of sale or transfer. Prior to, or at the time of sale or transfer, the owner must provide the transferee with a valid certificate of compliance stating that the vehicle meets state air pollution control standards. ## Transfer of plates Transfer of [specialized plates](https://www.californiacarlaws.com/special-license-plates/) to another vehicle is permitted provided proper transfer fees are included. Regular plates remain with vehicle upon transfer or sale. This article about *Other California Traffic Laws* was last updated in 2026. If any of our information is incomplete or outdated please let us know. Thank you\!