See also:

Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

If No Steam Is Coming from the Engine Compartment
If an engine overheat warning is displayed but no steam can be seen or heard, the problem may not be too serious. Sometimes the engine can get a little too hot when the vehicle: - Climbs a long h ...

Rear Climate Control System
For vehicles with the rear heat and air conditioning controls, they are integrated with the rear seat audio controls located in the center console. Rear Climate Control with Rear Seat Audio C ...