Before you think it is failure

In the case of a car as below (place and condition of driving), vehicle location mark can be displayed in a different place from the current place. The case as below is not a failure.

When driving on a Y shaped road with a small angle, vehicle location mark can be displayed in other road with a different direction.
The vehicle location can be displayed in the road next to you.
When displaying a street map, vehicle location mark or path indication can be displayed in the opposite lane or in other place than roads.
When, other than a street map, it was changed to a map on a reduced scale from a street map, vehicle location mark can be displayed in a different road.
After moving to a ferry and vehicle mover, vehicle location mark in location before moving.
The case that you drive on a spiral shaped road after removing a battery terminal.
The case that you drive on the treacherous mountain roads or on a sharp curve.
The case that you came to general road after making a turn on a turn table or coming out of the underground parking lot and multistory parking space.
The case that you repeat stop and go or drive slowly at an intersection and congested point.
The case that you drive on a slippery road like sand or snow covered road.
The case that you drive with a tire chain installed.
The case that you replaced a tire (Especially in case of using emergency tire and studless tire)
The case you used other tire than the designated tire.
If the tire pressure on all four wheels is not the designated pressure, they are corrected. (In some cases, it may take a few minutes)

In cases as below, depending on the search condition and driving place, the proper guide for the destination may not be provided. The case as below is not a failure.

The guide for going straight may be provided when driving a straight road.
Even if you made a turn at an intersection, its guide may not be provided.
There is an intersection with no guide.
In areas prohibiting U-turn, the guide for U-turn may be provided.
The guide for roads prohibiting entry (road of No Entry, road under construction).
When there is no road or a narrow road leading up to the destination, the guide for the destination can be provided up to a place apart from the destination.
When you deviate from the route, (when you made a turn in its previous intersection), the audio guide can be wrong.

When re-navigating the route, the case as below can happen. The case as below is not a failure.

When making a turn at an intersection, the guide for a different location from the current location can be provided.
When driving at a high speed, the re-navigating time may take long.
In areas prohibiting U-turn, the guide for U-turn may be provided.
The guide for roads prohibiting entry (road of No Entry, road under construction).
When there is no road or a narrow road leading up to the destination, the guide for the destination can be provided up to a place apart from the destination.
When you deviate from the route, (when you made a turn in its previous intersection), the audio guide can be wrong.