OnStar Services

See also:

Windshield Wiper/Washer
The windshield wiper/washer lever is located on the left side of the steering column. Turn the band with the wiper symbol to control the windshield wipers. : Use for a single wiping cycle. : Us ...

Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced. If the wheel leaks air, replace it. ...

Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. When t ...