NAVIGATION PERFORMANCE LIMITATIONS
Under certain conditions, it is possible for the vehicle's position displayed on the map screen to be incorrect. Incorrect vehicle positioning may happen when:
Driving on a spiral ramp in a building.
Driving on or beneath elevated roads.
Driving between tall buildings.
Two roads are close and parallel.
The vehicle is transported to another location.
The vehicle has been rotated on a turntable.
The vehicle's battery has been disconnected.
GPS signals may occasionally be interrupted due to physical barriers, such as roads under raised carriageways and tunnels.