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 ...

Locking Feedback
This allows selection of what type of feedback is given when locking the vehicle with the RKE transmitter. Press the MENU/SELECT knob when Locking Feedback is highlighted. Turn the knob to select ...

Security Light
The security light should come on briefly as the engine is started. If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your de ...