OnStar Services

See also:

Accessory Inflator
Your vehicle has an accessory inflator system. It can also inflate things like basketballs and bicycle tires. It can also used to inflate the tires to the proper tire pressure. It is not designed t ...

Instrument Panel Illumination Control
Instrument Panel Illumination Control The brightness of the instrument panel lighting and steering wheel controls can be adjusted. (Instrument Panel Illumination): Move and hold the thumb ...

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 ...