OnStar Services

See also:

TPMS Sensor Matching Process
Each TPMS sensor has a unique identification code. The identification code needs to be matched to a new tire/wheel position after rotating the vehicle’s tires or replacing one or more of the TPMS se ...

Dual Tone Multi-Frequency (DTMF) Tones
The in-vehicle Bluetooth system can send numbers during a call. This is used when calling a menu-driven phone system. For Radio with CD: 1. Turn or press the TUNE/MENU knob and select Enter Number ...

Ultrasonic Parking Sensor Light
This light comes on to indicate that there is a malfunction in the system. See your dealer for service. See Ultrasonic Parking Assist  and Driver Information Center (DIC)  for more infor ...