See also:

Detour setting
While the route guidance is operating, you can change the route to detour around a section of the route where a delay is caused by road repairs, or an accident, etc. 1. Touch “Route”. 2. ...

Starting route guidance
After inputting the destination, the screen changes and displays the map location of the selected destination and the route preference. 1. Scroll the map to the desired point. “Adjust Location ...

Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check that the warning message and light go off. ...