See also:

Telephone
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Head restraints
Correctly adjusted head restraintA correctly adjusted head restraint reduces the risk of neck injury in the event of an accident. Adjust the head restraint in such a way that its center is at ap ...

Environmental conditions
▷ Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed. ▷ Always say commands in the language of the voice activation system. ▷ When se ...