GMC Yukon 2012 Owner's Manual page 273

Rear Climate Control System
(Rear Climate with Rear Seat Audio)
For vehicles with the rear heat and air conditioning controls, they are
integrated with the rear seat audio controls located in the center console.
The system can be controlled from the front controls as well as the
rear controls.
Rear Climate Control with Rear Seat Audio Controls
A. Fan Control
B. Air Delivery Mode Control
C. Temperature Control
REAR: Press the REAR button on
the front climate control system to
turn the rear climate control system
on or off. An indicator comes on
when the rear system is on.
Climate Controls
The rear climate control system can
also be turned off by pressing and
holding the button. To turn the
system on from the rear seats,
press any rear climate control
button, except the button.
Mimic Mode: This mode matches
the rear climate control to the front
climate control airflow settings.
It comes on when REAR is pressed
the first time.
Independent Mode: This mode
directs rear seating airflow
according to the settings of the
rear controls.
To turn the system on from the rear,
press any rear climate control
button, except the button.
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