General Knowledge · Distracted Driving
Under federal regulation, which of the following is the one way a CDL driver may answer an incoming call on a mounted mobile phone without it counting as "hand-held" use?
Explanation
Federal regulation allows a driver to answer a call by pressing a single button without that action counting as prohibited "hand-held" use; the definition in 49 CFR 390.5 specifically excludes initiating, answering, or ending a call by pressing a single button, while it does count dialing or answering by pressing more than one button, or holding the phone to talk. The other options fail for a shared reason: each either restates a form of use the regulation does prohibit (holding the phone, multi-digit dialing) or overstates the restriction by banning something the regulation does not reach (voice commands with no button press at all).
Source: 49 CFR 390.5 (definition of "use a hand-held mobile telephone")
Related Distracted Driving questions
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