Adults and cell phones: hands-free only
A free practice question for the California permit test, with the answer explained.
Independent practice site. We're not the DMV and aren't connected to any government agency.
You are 25. How may you use a cell phone while driving?
The rule
Adult drivers may use a cell phone only in hands-free mode and only when necessary. Holding the phone or texting while driving is illegal; the phone must be mounted where it does not block your view and used with a single swipe or tap.
Adults may use a phone while driving only in hands-free mode, and only when needed. Holding the phone or texting is illegal. If you need to place a call, first pull off the road safely.
From the California Driver Handbook, section 8, page 70. This question is our own wording of that rule. The handbook and the DMV have the final word.
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