
The groove where the wear indicator is located is 1/16 inch (1.6 mm) shallower than elsewhere on the tire. If the tread has worn so that the indicator is exposed, replace the tire.
Worn out tires have poor traction on wet roads.
Navigation—Changing Route or Destination
You can alter your route by adding waypoints to visit, adding streets to
avoid, or changing your destination during route guidance. ...
Map Screen
...
Driving to Your Destination
This section describes how to follow the route guidance to your destination,
and
choose the icons displayed on the map screen. ...