Lumbar Adjustment
Power Lumbar
Eight-Way Power Seat Shown, Four-Way Similar
A. Lumbar Switch
If available, press and hold the front or rear of the switch (A) to increase or decrease lumbar support. Release the switch when the seatback reaches the desired level of lumbar support.
See also:
Customer Satisfaction Procedure (Mexico)
Did you get the Warranty Extension Plan? This plan is recommended by General Motors to supplement the warranty included with the new vehicle purchase.
See your dealer for details.
Customer Assista ...
Environmental Concerns
○ Always use established trails, roads, and areas that have been set aside for
public off-road recreational driving and obey all posted regulations.
○ Do not damage shrubs, flowers, tre ...
How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure.
WARNING
You can be burned if you spill coolant on hot engine part ...