See also:

How the System Works
URPA comes on automatically when the shift lever is moved into R (Reverse). A single tone sounds to indicate the system is working. URPA operates only at speeds less than 8 km/h (5 mph). An ...

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 ...

Care of the CD/DVD Player
Do not add a label to a disc; it could get caught in the CD/DVD player. If a label is needed, label the top of the recorded disc with a marking pen. The use of disc lens cleaners for discs i ...