Automatic Climate Controls; Automatic Operation; Recirculation Mode - GMC 2018 SIERRA DENALI Quick Reference Manual

AUTOMATIC CLIMATE CONTROLS

Driver's
Temperature Conditioning
Control
AUTO
Automatic
Driver's
Operation
Heated/Vented
Seat Buttons

Automatic Operation

1. Press AUTO.
2. Set the temperature for the driver and front passenger. The system automatically controls the
fan speed, air delivery, air conditioning and recirculation to reach the set temperature. Allow
time for the system to reach the desired temperature.
If the functions are manually adjusted, automatic operation is turned off.

Recirculation Mode

Recirculation Mode to quickly cool the air inside the vehicle or prevent outside
Press
odors from entering the vehicle.
Sync Temperature Settings
Press SYNC to link the passenger's temperature setting to the driver's setting. If the passen-
ger's setting is adjusted, the different passenger's temperature setting is displayed.
8
A/C
Air
Control Vent Mode
Recirculation
Mode
Mode
Fan Speed
Control/
On/Off
Floor Bi-level
Rear Window/
Mode
Outside Mirror
Defogger
See Climate Controls in your Owner's Manual.
Defog Defrost
Mode Mode
SYNC
REAR Link passenger's
temperature
setting to driver's
temperature
setting
Passenger's
Temperature
Control
Passenger's
Heated/Vented
Seat Buttons