See also:

Automatic operation
Cooling and/or dehumidified heating (AUTO) This mode may be used all year round as the system automatically works to keep a constant temperature. Air flow distribution and fan speed are also ...

Battery
If the battery is not fully charged during extremely cold weather conditions, the battery fluid may freeze and damage the battery. To maintain maximum efficiency, the battery should be checked ...

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. ...