See also:

If No Steam Is Coming from the Engine Compartment
The ENGINE OVERHEATED STOP ENGINE or the ENGINE OVERHEATED IDLE ENGINE message, along with a low coolant condition, can indicate a serious problem. If there is an engine overheat warning, but see o ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

Easy Exit Driver Seat
This allows you to turn the easy exit driver seat feature on or off. When on, this feature will move the driver seat rearward upon turning the ignition off and the driver door opened. This may be ...