OnStar Services

See also:

Unlock Doors
Press the customization button until UNLOCK DOORS: IN PARK appears in the display. To select your preference for automatic unlocking, press the select button while UNLOCK DOORS: IN PARK is dis ...

Infants and Young Children
Everyone in a vehicle needs protection! This includes infants and all other children. Neither the distance traveled nor the age and size of the traveler changes the need, for everyone, to use safe ...

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 ...