Lumbar Adjustment

Manual Lumbar
If available, move the handle forward or rearward to increase or decrease lumbar support.

Power Lumbar
If available, press and hold the front or rear of control to increase or decrease lumbar support. Release the control when the seatback reaches the desired level of lumbar support.
See also:
Calling for Assistance
When calling Roadside Assistance, have the following information ready:
• Your name, home address, and home telephone number
• Telephone number of your location
• Location of the vehicle
• ...
Regular Cab Models
1. If the child restraint manufacturer recommends that the top tether be attached, attach and tighten the top tether to the top tether anchor, if your vehicle has one.
Refer to the child restraint in ...
Going & Stopping
The biggest drawback I found with the Yukon was the powertrain. A
380-horsepower, 6.2-liter V-8 is standard in the Denali, but it was sluggish in
almost every passing situation I could simulate. T ...





