The following information relates to the tire grading system developed by the
National Highway Traffic Safety
Administration (NHTSA), which grades tires by tread wear, traction and
temperature performance. Tires that have
deep tread, and winter tires, are exempt from these marking requirements.
Model Y displays a speed limit on the instrument panel
and you can choose if and how you are warned when
you exceed the speed limit. Also, instead of using the
detected speed limit, you can base warnings on an
arbitrary speed limit that you enter manually.
NOTE: When using Traffic-Aware Cruise C