Diagnostic Procedure

Navigation cannot control HVAC by voice command ('08-10 models)

Symptom Troubleshooting Navigation Cannot Control HVAC By Voice Command (08-10 Models)

Also check for

Check for B-CAN DTCs

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

Harness/fuses/switches