GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
Climate Controls
219
Climate Controls
Climate Control Systems
Control System . . . . . . . . . . . . . 219
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . 222
Maintenance
Filter . . . . . . . . . . . . . . . . . . . . . . . . 223
Service . . . . . . . . . . . . . . . . . . . . . . . 224
Climate Control Systems
Dual Automatic Climate Control System
With this system the heating, cooling, and ventilation in the vehicle can be
controlled.
For an eAssist vehicle, see the Silverado/Sierra eAssist supplement.
1. Driver Temperature Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Controls
4. Fan Control
5. Defrost
6. Passenger Temperature
Control
7. SYNC (Synchronized
Temperature)
8. Rear Window Defogger
9. Power Button
10. Air Recirculation
11. AUTO (Automatic Operation)