Power Lumbar

Power Lumbar
To adjust the power lumbar support, if equipped:
• On vehicles with two-way lumbar, press and hold the top or bottom of the control to increase or decrease lumbar support.
• On vehicles with four-way lumbar, press and hold the front or rear of the control to increase or decrease lumbar support. To raise or lower the height of the support, press and hold the top or bottom of the control.
See also:
Starting the Engine
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.
If the vehicle is a hybrid, see the hybrid supplement for more information.
Notice: Do not try to shift to ...
Storing a Flat or Spare Tire and Tools
WARNING
Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these ...
Shocks and Struts
Shocks and struts help aid in control for a smoother ride.
• Signs of wear may include steering wheel vibration, bounce/ sway while braking, longer stopping distance, or uneven tire wear.
• As p ...





