See also:

Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...

Automatic heating and air conditioning
The automatic climate control system is controlled by simply setting the desired temperature. The Full Automatic Temperature Control (FATC) system automatically controls the heating and cooling s ...

HEATING CONTROLS
For normal heating operation, set the air intake control to the fresh air () position and the air flow control to the floor () position. For faster heating, the air intake control should be set ...