OnStar Services

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 ...

Center Console Storage Area
If equipped, squeeze the front lever while lifting the top to open it. Your vehicle’s console will be equipped with cupholders located on the front and rear of the storage compartment. The ...

Engine Compartment Overview
2.0 L L4 Engine A. Engine Air Cleaner/Filter . B. Engine Cover. C. Engine Oil Dipstick. See Engine Oil . D. Engine Oil Fill Cap. See Engine Oil . E. Transmission Fluid Cap and Dipstick. See Auto ...