There are several methods you can use to change the route destination.
Emissions Testing
Testing of Readiness Codes
If you take your vehicle for an emissions test shortly after the battery has
been disconnected or gone dead, it may not pass the test.
This is because of certain ‘‘r ...
Secondary HO2S Replacement
Special Tools Required
O2 Sensor Wrench Snap-on S6176 or equivalent, commercially available
Disconnect the secondary HO2S connector (A).
Raise the vehicle on a lift.
...
Map Update
INFO button
►Map Update
Update the map database.
When you order a map update, it is mailed to
you on a USB flash drive. ...