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:
Safety
GM is aggressive in promoting the benefits of OnStar 8.0. New-truck buyers
get a one-year subscription to the Safe and Sound Plan, after which owners can
subscribe annually. If an airbag deploys, ...
Tire Rotation and Required Services Every 12 000 km/7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation on page 10‑50.
• Check engine oil level and oil life percentage. If needed, change engi ...
When the System Does Not Seem To Work Properly
The RVC system may not work properly or display a clear image if:
○ The RVC is turned off. See “Turning the Rear Vision Camera System On or Off”
earlier in this section.
○ It is da ...





