Lumbar Adjustment

Manual Lumbar
If available, move the handle forward or rearward to increase or decrease lumbar support.

Power Lumbar
If available, press and hold the front or rear of control to increase or decrease lumbar support. Release the control when the seatback reaches the desired level of lumbar support.
See also:
Vehicle Overview
GMC’s full-size van sells in fewer numbers than the similar Chevrolet Express
but attracts a loyal clientele. Along with its full-size rivals from Dodge and
Ford, the rear-drive truck-based van ...
What to Use
WARNING
Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will.
The coolant warning syste ...
If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow.
If the vehicle has a traction system, it can often help to free a stuck vehicle. Refer to the vehicle' ...





