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:

    Programmable Locking Feature
    Following are the two locking modes that can be programmed: Mode 1: All doors lock when the transmission is shifted out of PARK (P). Mode 2: All doors lock when the vehicle speed is greater t ...

    Leather
    A soft cloth dampened with water can be used to remove dust. If a more thorough cleaning is necessary, a soft cloth dampened with a mild soap solution can be used. Allow the leather to dry natur ...

    Engine Coolant (3.9L Engine)
    The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This coolant is designed to remain in the vehicle for five years or 150,000 miles (240 000 km), whichever occurs first ...