Poor AM or FM radio reception or interference(With Display Audio (Without Navigation))

Diagnostic Procedure

• Refer to Audio System Symptom Troubleshooting - Poor AM or FM radio reception or interference(Without Navigation, With Display Audio) 

Also Check for

• Check radio reception: Do the Radio in the System Diagnostic Mode - Refer to: Audio System Sound Quality DiagnosisAudio System Diagnostic Mode
• Loose antenna mounting nut