Horn
Pressaon 
the steering wheel pad
to sound the horn.
See also:
Rear Window Wiper/Washer
The rear wiper control is located on the turn and lane-change lever.
To turn the rear wiper on, slide the lever to a wiper position.
(Off): Turns the wiper off.
(Rear Wiper Delay): Turns on the
...
If the System Needs Service
If the navigation system needs service and the steps listed here have been followed
but there are still problems, see your dealer for assistance. ...
Braking and tire systems
CTS-V includes sophisticated braking and tire systems, in partnership with
two companies renowned for high-performance technology: Brembo and Michelin.
Brembo brakes are at all four corners and in ...