Autosteer and its associated functions are particularly
unlikely to operate as intended when:
Autosteer is unable to accurately determine lane
markings. For example, lane markings are excessively
worn, have visible previous markings, have been
adjusted due to road construction, are changing
To prevent damage to the paint, immediately remove
corrosive substances (bird droppings, tree resin, dead
insects, tar spots, road salt, industrial fallout, etc.). Do
not wait until Model Y is due for a complete wash. If
necessary, use denatured alcohol to remove tar spots
and stubborn grease s