Radio Tuner Does Not Change Stations

Radio tuner does not change stations

1. Check the audio information on the display panel control unit (without navigation) or audio-HVAC subdisplay unit (with navigation).

Does the audio information display properly?

YES - Intermittent failure, the system is OK at this time.

NO - Go to step 2.

2. Operate the tuning knob to see if the radio station changes.

Does it change?

YES - Intermittent failure, the tuning knob is OK at this time.

NO - Replace the audio unit.