OnStar Services

See also:

Engine Cooling System Messages
A/C OFF DUE TO HIGH ENGINE TEMP This message displays when the engine coolant becomes hotter than the normal operating temperature. To avoid added strain on a hot engine, the air conditioning com ...

Tire Terminology and Definitions
Air Pressure: The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight: ...

Remote Vehicle Start
This vehicle may have a remote starting feature that allows you to start the engine from outside the vehicle. (Remote Vehicle Start): This button will be on the RKE transmitter if you have ...