See also:

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. - The ignition should turn to LOCK/OFF only when the shift lever is in P (Pa ...

Remote Vehicle Start
With this feature the engine can be started from outside of the vehicle. Starting the Vehicle 1. Press and release on the RKE transmitter. 2. Within two seconds, press and hold until the turn s ...

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...