GMC SIERRA 2020 Owner's Manual page 180

Dual Automatic Climate Control System
The heating, cooling, and ventilation in the vehicle can be controlled with this
system.
1. Driver and Passenger
Temperature Controls
2. MAX Defrost
3. Air Delivery Mode Controls
4. A/C (Air Conditioning)
5. SYNC (Synchronized
Temperature)
6. Recirculation
7. Power Button
8. Fan Control
9. Rear Window Defogger (If
Equipped) or Heated Mirrors (If
Equipped)
10. AUTO (Automatic Operation)
Climate Controls
Climate Control Display
1. Driver and Passenger
Temperature Settings
2. Fan Control
3. Driver and Passenger
Temperature Controls
4. Sync (Synchronized
Temperature)
5. Recirculation
6. Air Delivery Mode Controls
7. Auto (Automatic Operation)
8. A/C (Air Conditioning)
9. On/Off (Power)
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