OnStar Services

See also:

Engine Cooling System Messages
A/C OFF DUE TO HIGH ENGINE TEMP This message displays when the engine coolant becomes hotter than the normal operating temperature. To avoid added strain on a hot engine, the air conditioning com ...

Replacing Safety Belt System Parts after a Crash
WARNING A crash can damage the safety belt system in the vehicle. A damaged safety belt system may not properly protect the person using it, resulting in serious injury or even death in a crash. ...

Battery
If the vehicle is a Hybrid, see the Hybrid Supplement for more information. This vehicle has a maintenance free battery (or batteries). Refer to the replacement number on the original battery label w ...