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 Cooling System Messages
    A/C OFF DUE TO HIGH ENGINE TEMP This message displays when the engine coolant becomes hotter than the normal operating temperature. To avoid added strain on a hot engine, the air conditioning com ...

    Storing Memory Positions
    To save into memory: 1. Adjust the driver seat, seatback recliner, both outside mirrors, and the throttle and brake pedals, if equipped. See Power Mirrors on page 2‑15 and Adjustable Throttle ...

    Four Way Power Driver Seat
    A. Seat Position Handle B. Height Adjustment Control To adjust a power seat, if equipped: ○ Move the seat forward or rearward using the handle under the front of the seat cushion (A). See ...