OnStar Services

See also:

Reduced Engine Power Light
This light comes on when a noticeable reduction in the vehicle’s performance occurs. The vehicle can be driven at a reduced speed when the reduced engine power light is on, but accelerati ...

Blizzard Conditions
Being stuck in snow can be a serious situation. Stay with the vehicle unless there is help nearby. If possible, use the Roadside Assistance Program . To get help and keep everyone in the vehicle ...

Connecting and Controlling a USB Drive (Radio with CD and Radio with CD/DVD/MEM)
The infotainment system can only play back .mp3 and .wma files from a USB drive. Only the first 2,500 songs are recognized on the device. When a device is not supported, the message “No su ...