Vehicle Code section 21701

No person shall wilfully interfere with the driver of a vehicle or with the mechanism thereof in such manner as to affect the driver’s control of the vehicle. The provisions of this section shall not apply to a drivers’ license examiner or other employee of the Department of Motor Vehicles when conducting the road or driving test of an applicant for a driver’s license nor to a person giving instruction as a part of a course in driver training conducted by a public school, educational institution or a driver training school licensed by the Department of Motor Vehicles.

Source: Section 21701, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=VEH§ionNum=21701.­ (updated Jan. 1, 1959; accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 21701's source at ca​.gov