Lumbar Adjustment

Eight-Way Power Seat Shown, Four-Way Similar

Eight-Way Power Seat Shown, Four-Way Similar

A. Lumbar Switch

If available, press and hold the front or rear of the switch (A) to increase or decrease lumbar support. Release the switch when the seatback reaches the desired level of lumbar support.

See Lumbar Adjustment on page 3‑5 for more information.

    See also:

    Immobilizer Operation
    This vehicle has a passive theft-deterrent system. The system does not have to be manually armed or disarmed. The vehicle is automatically immobilized when the key is removed from the ignition. Th ...

    OnStar®
    If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview on pag ...

    Customer Satisfaction Procedure (U.S. and Canada)
    Your satisfaction and goodwill are important to your dealer and to GMC. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's sales or ser ...