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:
Rear Seat Pass-Through Door
The vehicle may have a door in the rear seat that provides access to the trunk.
Lower the rear seat armrest to access the pass-through door. Pull the release handle to open the door.
To close, pus ...
Automatic Transmission Fluid
How to Check Automatic Transmission Fluid
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 t ...
Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants for GM
approved fluids.
• Engine oil and windshield
washer ...
