Radio Tuner Does Not Change Stations

Radio tuner does not change stations

1. Check the audio information on the display panel.

Does the audio information display properly?

YES - Go to step 2.

NO - Go to power switch will not turn ON.

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

Does the radio station change?

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

NO -
- With navigation: Replace the navigation unit.
- Without navigation: Replace the audio unit.