See also:

Inner Panel
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AUX, USB AND iPod® PORT
If your vehicle has an aux and/or USB(universal serial bus) port or iPod port, you can use an aux port to connect audio devices, a USB port to plug in a USB, and an iPod port to plug in an iPod. ...

Steering wheel audio control (if equipped)
The steering wheel may incorporate audio control buttons. CAUTION Do not operate audio remote control buttons simultaneously. 1. VOLUME (VOL+/-) • Push the lever upward (+) to increase the volum ...