If your vehicle has this feature, some audio controls can be adjusted at the steering wheel. They include the following:

PWR (Power): Press this button to turn the audio system on or off.

MODE: Press and release this button to select FM1, FM2, AM, or CD (MP3) for audio playback. Press and release this button multiple times to cycle through the audio playback options that are available on your vehicle.

SEEK: Press and release this button within 0.5 seconds to go to the next preset station. Press and hold this button for longer than 0.5 seconds to go to the next radio station. The radio will only seek stations with a strong signal that are in the selected band. When playing a CD, press and release this button within 0.5 seconds to go to the next track. Press and hold this button for longer than 0.5 seconds to fast forward through the tracks.

VOLUME : Press the solid circle on the left-side of VOLUME to increase the volume. Press the open circle on the right-side of VOLUME to decrease the volume.