If a waypoint has notification switched on, you see an icon next to it in your list of waypoints. To switch notification on or off for a waypoint, do the following:
You see a list of your waypoints.
You see a screen with the name of your waypoint at the top.
The notification setting changes for your waypoint and you are immediately returned to your list of waypoints.
Tip: If a waypoint has already been visited, you cannot switch notification on or off.