See also:

Calibrate Compass
The vehicle may have this feature. The compass can be manually calibrated. To calibrate the compass through the DIC, see Compass. ...

Ultrasonic Parking Assist
If available, the Ultrasonic Front and Rear Parking Assist (UFRPA) system assists the driver with parking and avoiding objects. UFRPA operates at speeds less than 8 km/h (5 mph). The sensors on th ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...