When the map appears, expand the left-side toolbar using the down arrow and then the three dots.
Tap Ahead.
Tap Traffic. If there are no traffic problems along your route, the traffic button will be grayed out.
Any traffic problems along the route will be displayed according to their distance from the vehicle.
For additional information about a traffic disruption, tap the row to open an information card. Select one of the information card's options and follow the instructions.
Tap Avoid to avoid the traffic disruption.
The route will be recalculated and guidance will begin for the new route.