See also:

Horn
To sound the horn, push the horn pad. ...

When CD is in the player (type A)/ When playing back all CDs in the player (type B)
When the “CD/AUX” button is pressed, the player will start playback. ...

Audio control buttons (if equipped)
These buttons are located on the spokes of the steering wheel. They allow the driver to control audio functions without taking his/her hands off the steering wheel. ...