See also:

When It Is Time for New Tires
Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires. Treadwear indicators are one way to tell when it is time for new t ...

Air Vents
Use the louvers located on the air vents to change the direction of the airflow. To open the vent, move the thumbwheel to . To close the vent, move the thumbwheel to . For vehicles with eAss ...

Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands-Free Directory that is shared between the Bluetooth and OnStar systems. The following commands are used to delete and store pho ...