OnStar Additional Information

See also:

Hill Start Assist (HSA)
This vehicle has a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or rear ...

Odometer
Press the trip/fuel button until ODOMETER displays. This display shows the distance the vehicle has been driven in either kilometers (km) or miles. Pressing the trip odometer reset stem will also disp ...

Engine Compartment Fuse Block
If the vehicle has a diesel engine, see the Duramax Diesel supplement for more information. If the vehicle is a hybrid, see the hybrid supplement for more information. The Engine Compartment Fuse Bl ...