There are several methods you can use to change the route destination.
Reporting Safety Defects
In the U.S.
If you believe that your vehicle has a defect which could cause a crash or
could cause injury or death, you
should immediately inform the National Highway Traffic Safety Administration ...
Adding Waypoints
Add up to four waypoints (pit stops) along the route to your destination.
Waypoints allow you to stop for gas or food, for
example, and then continue on to your
destination.
Press the MAP/GUID ...
Registering a Voice Tag to a Speed Dial Entry
PHONE button
► Speed Dial 1 or Speed Dial 2
1. Select a speed dial entry.
2. Select Edit Speed Dial.
3. Select Voice Tag.
4. Follow the prompt to enter a voice
tag.
Voice tags allow ...