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 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Engine Oil Life System
    The engine oil life system calculates engine oil life based on vehicle use and, on most vehicles, displays a DIC message when it is necessary to change the engine oil and filter. The oil life system ...

    Trailer Brakes
    A loaded trailer that weighs more than 450 kg (1,000 lbs) needs to have its own brake system that is adequate for the weight of the trailer. Be sure to read and follow the instructions for the trailer ...

    Climate Control System (With Heater Only)
    Climate Control System (With Heater Only) A. Fan Control B. Temperature Control C. Air Delivery Mode Control See Climate Control Systems (with Air Conditioning) on page 8‑1 or Climate Co ...