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 ...

Keyless Unlocking
With the transmitter within 1m (3 ft), approach the front door and pull the handle. If the transmitter is recognized, the door will unlock and open. Entering any door other than the driver door wi ...

Managing the Vehicle Damage Repair Process
In the event that the vehicle requires damage repairs, GM recommends that you take an active role in its repair. If you have a pre-determined repair facility of choice, take the vehicle ther ...