Wipers and Washers
The button at the end of turn signal stalk has two levels. Press partially for a single wipe without any washer fluid. Press fully for both wipe and wash. You can access the wiper settings from the main Controls screen to adjust the speed of the wipers:
I - Intermittent, slow
II - Intermittent, fast
III - Continuous, slow
IIII - Continuous, fast
Auto: Model Y detects whether or not it is raining. When wipers are set to Auto and liquid is detected on the windshield, Model Y determines the optimal frequency at which they should wipe. If Model Y does not detect liquid on the windshield, the wipers do not wipe.
For one-touch access to the wipers, you can add the wiper control to My Apps. See Customizing My Apps.
Periodically check and clean the edge of the wiper blades. If a blade is damaged, replace it immediately. For details on checking and replacing wiper blades, see Windshield Wiper Blades, Jets and Fluid.
Press the button on the end of the turn signal stalk to spray washer fluid onto the windshield. This button has two levels. Press partially for a single wipe without any washer fluid. Press fully for both wipe and wash. When washing the windshield, the wipers turn on. While spraying the windshield, the wipers turn on. After releasing the button, the wipers perform two additional wipes then, depending on vehicle and environmental conditions, a third wipe a few seconds later.
Periodically top up washer fluid (see Topping Up Windshield Washer Fluid).