OnStar Additional Information
IntroductionAM-FM Radio
Playing the Radio
(Power/Volume):
• Press to turn the radio on or off.
• Turn to increase or decrease the volume of the active source.
The steering wheel controls can also be used to adjust the volume.
Radio Operation
The radio will work when the key is in ON/RUN or ACC/ ACCESSORY. When ...
Lamp Messages
AUTOMATIC LIGHT CONTROL ON
This message is displayed when the automatic light control has been turned on.
AUTOMATIC LIGHT CONTROL OFF
This message is displayed when the automatic light control has been turned off.
XXX TURN INDICATOR FAILURE
When one of the turn signals is out, this message disp ...
Heating and Air Conditioning System Description and Operation
Engine Coolant
Engine coolant is the key element of the heating system. The thermostat
controls engine operating coolant temperature. The thermostat
also creates a restriction for the cooling system that promotes a positive
coolant flow and helps prevent cavitation. Coolant enters the
heater ...