See also:

Steering wheel controls
Radio control features – VOL + (Volume): Press to decrease or increase the volume. (Seek): Press to select the previous/next radio station preset, CD track or satellite radio station preset ...

Troubleshooting
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Auxiliary power point (12v dc)
Power outlets are designed for accessory plugs only. Do not insert any other object in the power outlet as this will damage the outlet and blow the fuse. Do not hang any type of accessory or acc ...