Power Lumbar

On vehicles with power lumbar, the control is located on the outboard side of the front seats.
For vehicles with a two-way lumbar control, press the control top or bottom to increase or decrease support in the lower seatback.
On vehicles with a four-way lumbar control, press the control forward or rearward to increase or decrease support in the lower seatback. Press the top or bottom of the control to raise or lower the support in the seatback.
The lumbar support may need to be re-adjusted when changing the seating position.
See also:
Engine Compartment Fuse Block
To open the fuse block cover, press the clips at the front and back and rotate
the cover up to the side.
Notice: Spilling liquid on any electrical component on the vehicle may damage
it. Always ...
Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com. Privacy-sensitive
users of wireless communications
are cautioned that the privacy of any
information sent via wireless c ...
How to Check Automatic Transmission
Fluid (4.6L Engine)
For the 4.6L V8 engine, it is not necessary to check the
transmission fluid level. A transmission fluid leak is
the only reason for fluid loss. If a leak occurs, take the
vehicle to your dealer/ ...
