Specifications
GB.84
Navigation
Description Causes Solutions
The directions of the voice guidance do 
not correspond to your exact location.
The voice guidance may vary according 
to the environment.
Drive according to the actual conditions.
The suggested route does not start or 
end at the required destination.
The destination is not yet recognised by 
the system.
Enter a road near to the required destina-
tion.
The system calculates a detour auto-
matically.
Prioritising avoid area settings or traffic 
restrictions will affect the calculation of 
the route.
Deactivate the “avoid area settings” func-
tion.
Phone
Description Causes Solutions
No sounds or ringtone can be heard. The mobile phone is not connected to 
the system.
The volume is set to minimum or pause.
Ensure that the mobile phone is connected 
to the system. Increase the volume or de-
activate pause.
Impossible to make a call. The mobile phone is not connected to 
the system.
Ensure that the mobile phone is connected 
to the system. Unlock the phone keypad.
Voice recognition
Description Causes Solutions
The system does not recognise the 
voice command stated.
The voice command has not been rec-
ognised.
The voice recognition time delay has ex-
pired.
The voice recognition cannot operate 
properly due to a noisy environment.
The user spoke after the beep.
Check that the spoken voice command 
exists (refer to the “Using voice com-
mands” section). Speak within the voice 
recognition time delay.
Speak in a quiet environment.
OPERATING FAULTS (continued)










