Horn
Pressaon 
the steering wheel pad
to sound the horn.
See also:
Exterior
Designed with a chiseled look, the four-door STS features what Cadillac says
is a "faster profile" with "more rake" than the CTS. Cadillac styling touches
include a wide airfoi ...
Heated Mirrors
(Rear Window Defogger):
Press to heat the mirrors.
See Dual Automatic Climate Control
System. ...
Driving on Snow or Ice
Drive carefully when there is snow
or ice between the tires and the
road, creating less traction or grip.
Wet ice can occur at about 0°C
(32°F) when freezing rain begins to
fall, resulting in ...