Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Odometer
    The odometer shows how far the vehicle has been driven, in either kilometers or miles. This vehicle has a tamper-resistant odometer. The digital odometer will read 999,999 if it is turned back. If t ...

    Lamps On Reminder
    For vehicles with the lamps on reminder light, it comes on when the lights are in use. ...

    Dolly Towing from the Front (All-Wheel Drive)
    Dolly Towing from the Front (All-Wheel Drive) Vehicles with all-wheel drive cannot be dolly towed. ...