Pedestrian Warning System - Tesla Y 2019 Owner's Manual

Pedestrian Warning System

The Pedestrian Warning System (if equipped) causes
Model Y to emit sound when driving below
approximately 33 km/h (21 mph) 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 as speed increases.
WARNING: If sound cannot be heard, pedestrians
may not be aware of your oncoming vehicle, which
may increase the likelihood of a collision resulting
in serious injury or death. If the Pedestrian
Warning System is not operating, immediately
contact Tesla.
76 MODEL Y Owner's Manual