Buick Regal Owner's Manual page 20

1-14 In Brief
Dual Automatic Climate Control System for Non eAssist Vehicles
A. Air Conditioning
B. Driver and Passenger
Temperature Controls
C. Heated Seats
D. Air Delivery Modes
E. Climate Display
F. Defrost
G. Recirculation
H. Fan Controls
I. AUTO (Automatic Operation)
J. Rear Defogger