California Car / Permit practice question · Traffic Laws
Under California's hands-free law, a driver may operate a cell phone mounted to the dash or windshield only by:
Answer choices
- Using a single tap or swipe of a finger— Correct answer
- Holding it as long as it shows only maps
- Typing a full address while driving slowly
- Watching video while stopped at a red light
Why this is the answer
A phone mounted on the windshield, dashboard, or center console must not block your view, and you may operate it only with a single swipe or touch. Typing a full address, holding it, or watching video takes your eyes and attention off the road. Adults should use phones only in hands-free mode, and only when necessary.
Source: California Driver Handbook — Distracted Driving / Cell Phone Laws
Content reviewed against official driver handbooks · August 12, 2026
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