GMC Yukon XL Denali Owner's Manual page 237

Climate Controls
Climate Control Systems
Dual Automatic Climate Control
System . . . . . . . . . . . . . . . . . . . . . . 8-1
Rear Climate Control
System . . . . . . . . . . . . . . . . . . . . . . 8-7
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . 8-8
Climate Control Systems
Dual Automatic Climate Control System
The heating, cooling, and ventilation in the vehicle can be controlled with
this system. The vehicle also has a flow-through ventilation system
described later in this section.
A. Fan Control
B. AUTO (Automatic Operation)
C. Defrost
D. Recirculation
E. REAR (Rear Climate Control
System)
Climate Controls
F. Air Delivery Mode Control
G. Driver Temperature Control
H. Display
I. Power Button
J. Rear Window Defogger
8-1