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 ...

Automatic Fold and Tumble Feature
The transmission must be in P (Park) for this feature to work. WARNING Automatically folding and tumbling the seat when someone is sitting in the seat, could cause injury to the person sittin ...

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system ...