Wheels and Tires
See also:
Center Console Storage
Vehicles with an upper and lower center console storage area have cupholders included.
Pull the lever (A) up to access the upper storage area. Raise the upper storage bin, then pull the lever (B) u ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
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 v ...





