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When positioning by GPS is
impossible
! If signals cannot be received from more
than two GPS satellites, GPS positioning
does not take place.
! In some driving conditions, signals from
GPS satellites may not reach your vehicle.
In this case, it is impossible for the system
to use GPS positioning.
In tunnels or en-
closed parking
garages
Under elevated
roads or similar
structures
When driving
among high build-
ings
When driving through
a dense forest or tall
trees
! If a car phone or cellular phone is used
near this product, GPS reception may be
lost temporarily.
! Do not cover this product with spray paint
or vehicle wax, because this may block the
reception of GPS signals.
p If a GPS signal have not been received for a
long time, your vehicle’s actual position
and the current position mark on the map
may diverge considerably or may not be up-
dated. In such case, once GPS reception is
restored, accuracy will be recovered.
Conditions likely to cause
noticeable positioning errors
For various reasons, such as the state of the
road you are traveling on and the reception
status of the GPS signal, the actual position of
your vehicle may differ from the position dis-
played on the map screen.
! If you make a shallow turn.
! If there is a parallel road.
! If there is another road very nearby, such
as in the case of an elevated freeway.
! If you take a recently opened road that is
not on the map.
! If you drive in zigzags.
Appendix
En
112
Appendix