Lexus CT200h Owner's Manual page 161

 Accurate current position may not be
shown in the following cases:
• When driving on a small angled Y-shaped
road.
• When driving on a winding road.
• When driving on a slippery road such as
in sand, gravel, snow, etc.
• 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 correctly.
• After repeating a change of direction by
going forward and backward, 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 specifications.
• When the tire pressure in any of the 4
tires is not correct.
 If the vehicle cannot receive GPS signals,
the current position can be adjusted
manually. For information on setting the
current position calibration: P.155
6. TIPS FOR THE NAVIGATION SYSTEM
 Inappropriate route guidance may occur in
the following cases:
• When turning at an intersection off the
designated route guidance.
• 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 guidance.
• When passing through an intersection 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 regula-
tions prohibiting the entry of the vehicle
that vary by time, season or other reasons.
• The road and map data stored in the navi-
gation system may not be complete or
may not be the latest version.
 After replacing a tire: P.156
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