Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Dual Automatic Climate Control System
Dual Automatic Climate Control System
The heating, cooling, and ventilation for the vehicle can be controlled with
this system.
A. Display
B. Fan
C. Power
D. AUTO (Automatic Operation)
E. PA ...
Climate Controls
The heating, cooling, and ventilation in the vehicle can be controlled with this
system.
Climate Control with Cooled and Heated Seats shown
A. Driver and Passenger Temperature Controls
B. AUTO ...
Tailored design weaves in signature style and refinement
The 2013 ATS interprets Cadillac's Art & Science design language in a new
proportion, tailoring the signature styling and refinement cues for the most
compact Cadillac while upholding - and ad ...