Customer Assistance Information

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Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

Deleting a Paired Phone
1. Press . ► For vehicles without a navigation system, the system responds “Ready,” followed by a tone. ► For vehicles with a navigation system, the system responds with a tone. Aft ...

Air Vents
Use the louvers located on the air vents to change the direction of the airflow. To open a vent, move the thumbwheel to | . To close the vent, move the thumbwheel to . Operation Tips ► Keep a ...