See also:

Troubleshooting
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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 ...

CTA and Reverse Sensing System (RSS) interaction
CTA works along with the Reverse Sensing System (RSS) (if equipped). Become familiar with the warning tones of both systems. ...