Touch Controls > Lights on the touchscreen to access all light controls, both
interior and exterior.
You can also pull the turn signal stalk toward you to display a popup that
provides quick access to exterior lights. For example, you can turn the
headlights on or off continuously (overriding
Trailer Mode must always be active when towing a trailer. When you connect a
trailer's electrical connection while the vehicle is in Park, Model Y
automatically engages Trailer Mode. When you disconnect the trailer's electrical
connection, Trailer Mode does not automatically disengage. To manuall