See also:

Engine Coolant Temperature Warning Light
The engine coolant temperature warning light comes on briefly when the vehicle is started. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and options ava ...

Rear Vision Camera Error Messages
SERVICE REAR VISION CAMERA SYSTEM: This message can display on the radio screen when the system is not receiving information it requires from other vehicle systems. If any other problem occurs or i ...