Lumbar Adjustment
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 support.
See Lumbar Adjustment .
See also:
Tire Chains
WARNING
Do not use tire chains. There is not enough clearance. Tire chains used on a
vehicle without the proper amount of clearance can cause damage to the brakes, suspension,
or other vehic ...
Manual Reclining Seatbacks
WARNING
If either seatback is not locked, it could move forward in a sudden stop or
crash. That could cause injury to the person sitting there.
Always push and pull on the seatbacks to be sure the ...
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some of
the OnStar services, like Remote
Door Unlock and Stolen Vehicle
Assistance. You will be prompted
to change the PIN the first time
when speaking with an Advi ...