OnStar Services

See also:

Compass
There is a compass display in the Driver Information Center (DIC). The compass receives its heading and other information from the Global Positioning System (GPS) antenna, StabiliTrak, and vehicle ...

Rear Window Lockout
Rear Window Lockout This feature prevents the rear passenger windows from operating, except from the driver position. Press o to activate the rear window lockout switch. The LED (A) comes ...

With Selective Ride Control
1. Move the shift lever to the left from D (Drive). The vehicle will be in Sport Mode. The gear indicator in the DIC will still display a D for Drive, and the SPORT MODE ON message will be ...