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 thes ...

Instrument brightness control
The instrument cluster illuminates when the ignition switch is in the ON position. The instrument brightness control operates when the headlight control switch is in the AUTO, or position. ...

Safety
The Sentra received a Good overall rating — the highest possible score — in the Insurance Institute for Highway Safety's frontal-offset and side-impact crash tests. It received the next-best s ...