See also:

Express Window Anti-Pinch Override
WARNING! If express override is activated, the window will not reverse automatically. You or others could be injured and the window could be damaged. Before you use express override, make s ...

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 ...

Full-Size Spare Tire
If this vehicle came with a full-size spare tire, it was fully inflated when new, however, it can lose air over time. Check the inflation pressure regularly. See Tire Pressure   and Vehi ...