See also:

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 the v ...

Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: The indicators at three or mo ...

Reprogramming a Single Universal Remote System Button
To reprogram any of the three Universal Remote system buttons: 1. Press and hold the desired Universal Remote system button. Do not release the button. 2. The indicator light will begin to ...