2021 Tesla Model Y Pedestrian Warning System The Pedestrian Warning System (if equipped) causes Model Y to emit a sound when driving below approximately 19 mph (32 km/h) or while driving in reverse. Electric vehicles operate quietly and this sound helps to alert pedestrians of your oncoming vehicle. The sound, which activates whenever Model Y is shifted out of Park, gets louder … Continue reading 2021 Tesla Model Y Pedestrian Warning System Owners Manual