Lumbar Adjustment
Lumbar Adjustment
To adjust the lumbar support, if available:
• 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 lumbar support.
See Lumbar Adjustment.
See also:
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StabiliTrak® System
The vehicle may have the StabiliTrak system which
combines antilock brake, traction and stability control
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Your Responsibility
Increase the volume of the radio if the OnStar advisor
cannot be heard.
If the light next to the OnStar buttons is red, the system
may not be functioning properly. Press
and request
a vehicle ...