Tesla Y Owner's Manual page 55

NOTE: Restarting the touchscreen using the scroll
buttons does not power Model Y off and on.
Power Cycling the Vehicle
You can power cycle Model Y if it demonstrates unusual
behavior or displays a nondescript alert.
1. Shift into Park.
2. On the touchscreen, touch Controls > Safety > Power
Off.
3. Wait for at least two minutes without interacting with
the vehicle. Do not open the doors, touch the brake
pedal, touch the touchscreen, etc.
4. After two minutes, press the brake pedal or open the
door to wake the vehicle.
Driving
Starting and Powering Off
53