See also:

Engine block heater (if so equipped)
WARNING ● Do not use your engine block heater with an ungrounded electrical system or a 2-pronged adapter. You can be seriously injured by an electrical shock if you use an ungrounded conne ...

Relative humidity
Corrosion will be accelerated in areas of high relative humidity, especially those areas where the temperatures stay above freezing and where atmospheric pollution exists and road salt is used. ...

FM/AM/SAT radio operation
FM/AM band select: Pressing the FM·AM button will change the band as follows: AM > FM1 > FM2 > AM When the FM·AM button is pressed while the ignition switch is in the ACC or ON position, the ...