The contact owns a 2024 Audi Q4 E-Tron. The contact stated while driving at various speeds, the message ‘Vehicle Sound Malfunction! Pedestrian Cannot Hear Vehicle. Please Contact Service’ was displayed. The contact stated that the failure recurred intermittently. The vehicle was taken to the dealer, where it was diagnosed. The dealer informed the contact that the electric vehicle sound alert system was malfunctioning. The dealer informed the contact that the manufacturer’s solution for the failure was pending. The vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 600.