Horn
Press 
on the steering wheel pad
to sound the horn.
See also:
Bluetooth Controls
Use the buttons located on the
infotainment system and the
steering wheel to operate the
Bluetooth system.
Steering Wheel Controls
(Push To Talk) : Press to
answer incoming calls, confirm
...
Three-Way Calling
Three-way calling must be supported on the Bluetooth phone and enabled by the wireless service carrier.
1. While on a call, press
.
The system responds with “Ready,” followed by a tone.
2. Say ...
Horn
Press near the horn symbols or press on the steering wheel pad to sound the horn. ...