See also:

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. ...

Explanation of maintenance items
Additional information on the following items with “*” is found later in this section. ...

Controls
Outside air circulation: Push the air recirculation button to turn off the indicator light on the button. The air flow is drawn from outside the vehicle. Air recirculation: Push the air recircu ...