See also:

Air Quality Sensor
This will allow you to select whether the system will operate at high or low sensitivity. Only vehicles with the dual zone climate control will have this option. Press SELECT when Air Quality ...

Hill Start Assist (HSA)
Some vehicles have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or rearwa ...

Using the Delete All Name Tags Command
The delete all name tags command deletes all stored phone book name tags and route name tags for OnStar, if stored. To delete all name tags: 1. Press . ► For vehicles without a navigation sy ...