Security Light

The immobilizer light should come

The immobilizer light should come on briefly as the engine is started.

If it does not come on, have the vehicle serviced by your dealer.

If the system is working normally, the indicator light turns off.

If the light stays on and the engine does not start, there could be a problem with the theft-deterrent system. See Immobilizer Operation (Key Access) or Immobilizer Operation (Keyless Access) for more information.

For eAssist vehicles, this light displays in the Driver Information Center (DIC).

    See also:

    General Information
    For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: California Proposit ...

    Erasing Speed Memory
    When you turn off the cruise control or the ignition, the cruise control set speed memory is erased. ...

    Parking on Hills
    CAUTION: You really should not park your vehicle, with a trailer attached, on a hill. If something goes wrong, your rig could start to move. People can be injured, and both your vehicle and t ...