Troubleshooting
225
Other
Navigation Functions
Symptoms
Cause
Response
The navigation function does not start.
No map card is inserted.
Insert the map card.
→
“Insert an SD Card”(P15)
The wrong SD card is inserted.
Insert the special map card.
There is a problem with the radio signals from the
GPS satellite.
Please go on for a little while in the GPS receiving
state.
The vehicle moved by ferry or the like.
The vehicle's direction was changed by a turntable in
a parking garage or the like.
The speed learning level is low.
When this product is used for the
fi
rst time, it takes a
while to calculate the position of your car.
Wait in a location with a good view for a while.
When this product has not been used for long time, it
takes a while to calculate the position of your car.
A mirror type
fi
lm or shade
fi
lm that contains carbon is
pasted onto the windshield near the GPS antenna.
Some other antenna is near the GPS antenna.
Check the position of the GPS antenna
(P27) and if
another antenna may be the cause of the problem,
move that other antenna.
There is something on the GPS antenna.
Check the position of the GPS antenna
(P27) and if
something on the GPS antenna may be the cause of
the problem, remove it.
Immediately after the ignition switch is turned to ACC
or ON, some functions cannot be used immediately
after the map screen is displayed because data is
being read in.
Please wait until the reading is completed.
Menu operation is not possible.
Immediately after the ignition switch is turned to ACC
or ON, some functions cannot be used immediately
after the map screen is displayed because data is
being read in.
Please wait until the reading is completed.
There is no audio guidance.
The audio guidance volume is “OFF”.
Set the [Navi Voice/Others] “Guidance Voice Volume” to
[1] to [7].
→
“Navi Voice/Others”(P204)
RTT messages cannot be received.
No RTT message has been received yet.
Wait in a location with a good view for a while.
