Lumbar Adjustment
Power Lumbar
If available, press and hold the front or rear of the control to increase or decrease lumbar support. Release the control when the seatback reaches the desired level of lumbar support.
See also:
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 ...
Driver Information Center (DIC)
Your vehicle has a Driver Information Center (DIC).
The DIC displays information about your vehicle. It also displays warning messages
if a system problem is detected. The DIC also allows some feat ...
Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification
and viscosity grade.
See Recommended Fluids and Lubricants.
Specification
Use and ask for licensed engine oils wit ...