Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Meet the Wedge
The CTS sedan's exterior is angular, but the new CTS coupe takes the design
theme to a new level. There are creases everywhere, and while most meet and
intersect to create a unique-looking coupe t ...
LED Lighting
The vehicle may have LED headlamps. For replacement of the LED lighting assembly
contact your dealer. ...
Control Buttons
The knobs and buttons used to
control the CD/DVD player are:
CD/AUX (CD/Auxiliary): Press to
switch between CD/DVD, auxiliary
input, and USB devices.
or
: Press to
select tracks.
TUNE/TON ...