Diagnostic Procedure

Navigation display buttons do not work or respond properly

Symptom Troubleshooting Symptom Troubleshooting

Also check for

Navigation display unit

Also check for

Open/short between the audio unit, audio disc changer, Navigation display unit, Navigation unit, or the XM receiver or the GA-Net bus

Also check for

The wrong color navigation DVD or version is installed

Also check for

The navigation DVD is damaged or dirty

Also check for

Harness/fuses/switches