GMC Sierra Limited 1500 2019 Owner's Manual page 223

222 Climate Controls
Climate Control Systems (with Air Conditioning)
With this system the heating, cooling, and ventilation can be controlled.
1. Fan Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Controls
4. Defrost
5. TEMP (Temperature Control)
6. (Rear Window Defogger, If
Equipped)
(Heated Outside Mirror, If
Equipped)
(Outside Air, If Equipped)
@
7. Air Recirculation
TEMP : Turn clockwise or
counterclockwise to increase or
decrease the temperature inside the
vehicle.
9
: Turn clockwise or
counterclockwise to increase or
decrease the fan speed. Turn the
knob all the way counterclockwise
to turn the fan off.
Air Delivery Mode Controls :
-
Press , , , or
the direction of the airflow. An
indicator light comes on in the
selected mode button.
: Air is directed to the instrument
panel outlets.
: Air is divided between the
instrument panel and floor outlets.
: Air is directed to the floor
outlets, with some air directed to the
windshield and side window outlets.
to change