Diagnostic Procedure

Navigation cannot control audio/disc/rear entertainment

Symptom Troubleshooting Navigation Cannot Control Audio/disc/rear Entertainment

Also check for

Navigation display

Also check for

The wrong color DVD or version is installed.

Also check for

The DVD is damaged or dirty.

Also check for

Open/short between the audio unit, audio disc changer, navigation display, navigation unit, rear controller and screen, or the XM receiver on the GA-Net bus

Also check for

Audio unit