See also:

Anti-freeze
In the winter when it is anticipated that the temperature will drop below 32°F (0°C), check the anti-freeze to assure proper winter protection. For details, see “Engine cooling system” in t ...

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. ...

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. ...