Lumbar Adjustment

To adjust the lumbar support:

To adjust the lumbar support:

  • Press and hold the front or rear of the control to increase or decrease lumbar support.
  • Press and hold the top or bottom of the control to raise or lower the height of the lumbar support.
    See also:

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    Current and Past Models
    Technical Service Bulletins and Manuals are available for current and past model GM vehicles. ORDER TOLL FREE: 1-800-551-4123 Monday – Friday 8:00 AM – 6:00 PM Eastern Time For Credit Card Or ...