OnStar Additional Information

See also:

Content Theft-Deterrent
Your vehicle may have the optional content theft-deterrent alarm system. To activate the theft-deterrent system: 1. Open the door. 2. Lock the door with the power door lock switch or the Remote ...

How to Inspect the Engine Air Cleaner/Filter
To inspect the air cleaner/filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains covered with dirt, a new filter is re ...

Automatic Operation
AUTO (Automatic): When automatic operation is active, the system will control the inside temperature, the air delivery mode, and the fan speed. Use the steps below to place the entire system in ...