OnStar

See also:

Programming with a Recognized Transmitter (Keyless Access Vehicles Only)
A new transmitter can be programmed to the vehicle when there is one recognized transmitter. To program, the vehicle must be off and all of the transmitters, both currently recognized and new, mu ...

Charging System Light
The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is starte ...

Entry Lighting
The headlamps, taillamps, license plate lamps, back—up lamps, dome lamps, and most of the interior lights turn on briefly, when is pressed on the Remote Keyless Entry (RKE) transmitter, or when the ...