Three controls for the audio system are mounted in the steering wheel hub. These let you control basic functions without removing your hand from the wheel.

The VOL button adjusts the volume up ( ) or down ( ). Press the top or bottom of the button, hold it until the desired volume is reached, then release it.

The MODE button changes the mode. Pressing the button repeatedly selects FM1, FM2, AM, disc (if a disc(s) is loaded) or AUX (if an appropriate audio unit is connected). On models with XM Radio, you can also select XM1 and XM2.

If an iPod or a USB flash memory device is plugged into the system, you can also select AUX.

If you are listening to the radio, use the CH button to change stations.

Each time you press the top ( + ) of the button, the system goes to the next preset station on the band you are listening to. Press the bottom ( - ) to go back to the previous preset station. If you press and hold the CH button ( + ) or ( - ), the system goes into the skip (seek) mode. It stops when it finds a station with a strong signal.

If you are playing a disc, iPod or USB flash memory device, the system skips to the beginning of the next track/file each time you press the top ( + ) of the CH button. Press the bottom ( - ) to return to the beginning of the current track/file.

Press it twice to return to the previous track/file.

 You can also use the skip function to select folders. Press and hold the top ( + ) of the CH button until you hear a beep, to skip forward to the first file in the next folder. Press the bottom ( - ) to skip backward to the previous folder.

If you are playing a conventional CD (without the text data and not compressed inMP3 orWMA), you can use the skip function to select discs. Press and hold the top ( + ) of the CH button until you hear a beep, to skip forward to the next disc.

Press and hold the bottom ( - ) to skip backward to the previous disc.

If you are playing a USB flash memory device or iPod with the USB adapter cable, press and release the top ( + ) of the CH button to skip forward to the beginning of the next file. Press the bottom ( - ) to skip backward to the beginning to the current file. Press it twice to return to the previous file.

When playing a USB flash memory device, you can also use the seek function to skip the folder. To activate this, press and hold either side of the CH button until you hear a beep.