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.
Trip Planner (if available in your market region) helps
you take longer road trips with confidence. If reaching
your destination requires charging, Trip Planner routes
you through the appropriate Supercharger locations.
Trip Planner selects a route and provides charging times
to minimize the am