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 on page 9‑64. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

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    Finish Care
    Application of aftermarket clearcoat sealant/wax materials is not recommended. If painted surfaces are damaged, see your dealer to have the damage assessed and repaired. Foreign materials such as calc ...

    Cruise Control Messages
    APPLY BRAKE BEFORE CRUISE If this message displays when attempting to activate cruise control, apply the brake pedal and try again. CRUISE SET TO XXX This message displays when the cruise control ...

    Heated Front Seats
    WARNING If you cannot feel temperature change or pain to the skin, the seat heater may cause burns even at low temperatures. To reduce the risk of burns, people with such a condition should use c ...