See also:

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 the v ...

Heated and Ventilated Seats
The buttons are on the climate control panel. : Press to cool the entire seat. : Press to heat the seatback only. : Press to heat the seat and seatback. Press the desired button once for the ...

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 ...