Interface Dial and/or Selector Do Not Work (With Navigation)

Interface dial and/or selector do not work

Diagnostic Procedure:

Symptom Troubleshooting Interface Dial and/or Selector Do Not Work (With Navigation)

Also check for:

- The wrong color DVD or version is installed
- The DVD is damaged or dirty
- Navigation unit
- Navigation display unit
- Interface dial
- Harness/fuses/switches