Toyota 4Runner 2021 Owner's Manual page 119

• When driving on a long straight
road.
• When freeway and surface
streets run in parallel.
• After moving by ferry or vehicle
carrier.
• When a long route is searched
during high speed driving.
• When driving without setting the
current position calibration cor-
rectly.
• After repeating a change of direc-
tion by going forward and back-
ward, or turning on a turntable in
a parking lot.
• When leaving a covered parking
lot or parking garage.
• When a roof carrier is installed.
• When driving with tire chains
installed.
• When the tires are worn.
• After replacing a tire or tires.
• When using tires that are smaller
or larger than the factory specifi-
cations.
• When the tire pressure in any of
the 4 tires is not correct.
 If the vehicle cannot receive
GPS signals, the current posi-
tion can be adjusted manu-
ally. For information on setting
the current position calibra-
tion: P.109
 Inappropriate route guidance
may occur in the following
cases:
• When turning at an intersection
off the designated route guid-
ance.
3-5. Tips for operating the navigation system
• If you set more than 1 destination
but skip any of them, auto reroute
will display a route returning to
the destination on the previous
route.
• When turning at an intersection
for which there is no route guid-
ance.
• When passing through an inter-
section for which there is no route
guidance.
• During auto reroute, the route
guidance may not be available for
the next turn to the right or left.
• During high speed driving, it may
take a long time for auto reroute
to operate. In auto reroute, a
detour route may be shown.
• After auto reroute, the route may
not be changed.
• If an unnecessary U-turn is
shown or announced.
• If a location has multiple names
and the system announces 1 or
more of them.
• When a route cannot be
searched.
• If the route to your destination
includes gravel, unpaved roads or
alleys, the route guidance may
not be shown.
• Your destination point might be
shown on the opposite side of the
street.
• When a portion of the route has
regulations prohibiting the entry
of the vehicle that vary by time,
season or other reasons.
• The road and map data stored in
the navigation system may not be
complete or may not be the latest
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