See also:

AM radio reception
AM signals, because of their low frequency, can bend around objects and skip along the ground. In addition, the signals can be bounced off the ionosphere and bent back to earth. Because of these c ...

Seat belts with pretensioners (front seats)
- The pretensioners cannot be reused after activation. They must be replaced together with the retractor and buckle as a unit. - If the vehicle becomes involved in a collision but a prete ...

“Phonebook” (phones without automatic phonebook download function)
NOTE: The “Transfer Entry” command is not available when the vehicle is moving. For phones that do not support automatic download of the phonebook (PBAP Bluetooth profile), the “Phonebook ...