OnStar

See also:

Steering Wheel Controls
If equipped, some audio controls can be adjusted at the steering wheel. (Next): Press to go to the next favorite radio station, track on a CD, or folder on an iPod® or USB device. (Previous/En ...

How the System Works
URPA comes on automatically when the shift lever is moved into R (Reverse). A single tone sounds to indicate the system is working. URPA operates only at speeds less than 8 km/h (5 mph). An ...

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life sy ...