GMC Yukon 2021 Owner's Manual page 209

208 Climate Controls
Rear Climate Display
1. Rear Climate Temperature Control
2. Fan Control
3. Outside Temperature Display
4. Sync (Synchronized Temperatures)
5. Rear Control Lockout
6. Air Delivery Mode Control
7. Auto (Automatic Operation)
8. On/Off (Power)
Automatic Operation
AUTO : Press AUTO to automatically control
the temperature, air delivery, and fan speed
for rear seat passengers. A is indicated in
the display when automatic operation is
active.
If any of the rear climate control settings
are manually adjusted, full automatic
operation is canceled. Press AUTO to return
to full automatic operation.
The display only indicates climate control
functions when the system is in rear
independent mode.
Manual Operation
9
: Turn clockwise or counterclockwise to
increase or decrease the fan speed. Turn
completely counterclockwise to turn the
fan/power off.
TEMP : Turn clockwise or counterclockwise
to increase or decrease the airflow
temperature into the passenger area. If the
SYNC button is pressed on the front climate
controls, the rear climate temperature is
linked to the driver temperature setting.
MODE : Press to change the direction of the
airflow in the vehicle. Repeatedly press the
button until the desired mode appears on
the display. Multiple presses will cycle
through the delivery selections.
or : If equipped, press
heat the left or right outboard seat cushion.
See Heated Rear Seats 0 45.
Air Vents
Adjustable air vents are in the center and on
the side of the instrument panel.
or to