wheel alignment Lexus IS250 2015 Navigation Manual

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1. LEXUS PARKING ASSIST MONITOR
IS250/350_Navi_U
PERIPHERAL MONITORING SYSTEM
7
2. ESTIMATED COURSE LINE DISPLAY MODE
SCREEN DESCRIPTION
No.DisplayFunction
Vehicle width guide line
Displays a guide path when the vehicle is being backed
straight up.
•The displayed width is wider than the actual vehicle
width.
• These guide lines align with the estimated course lines
when the vehicle is going straight ahead.
Estimated course linesShows an estimated course when the steering wheel is
turned.
Distance guide lines
Shows distance behind the vehicle when the steering
wheel is turned.
•The guide lines move in conjunction with the estimated
course lines.
• The guide lines display points approximately 1.5 ft. (0.5
m) (red) and approximately 3 ft. (1 m) (yellow) from the
center of the edge of the bumper.
Distance guide line
Shows distance behind the vehicle.
•Displays a point approximately 1.5 ft. (0.5 m) (blue)
from the edge of the bumper.
Vehicle center guide lineThe line indicates the estimated vehicle center on the
ground.
CAUTION
● If the steering wheel is straight and the vehicle width guide lines and the estimated course
lines are not in alignment, have the vehicle inspected by your Lexus dealer.

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1. LEXUS PARKING ASSIST MONITOR
IS250/350_Navi_U
5. THINGS YOU SHOULD KNOW
If you notice any of the following symptoms, refer to the likely cause and the solution,
and re-check.
If the symptom is not resolved by the solution, have the vehicle inspected by your Lexus
dealer.
IF YOU NOTICE ANY SYMPTOMS
SymptomLikely causeSolution
The image is difficult to see• The vehicle is in a dark area
• The temperature around
the lens is either high or low
• The outside temperature is
low
• There are water droplets on
the camera
• It is raining or humid
• Foreign matter (mud etc.) is
adhering to the camera
• Sunlight or headlights are
shining directly into the
camera
• The vehicle is under fluo-
rescent lights, sodium lights,
mercury lights etc.Back up while visually check-
ing the vehicle’s surroundings.
(Use the monitor again once
conditions have been im-
proved.)
The procedure for adjusting
the picture quality of the park-
ing assist monitor is the same
as the procedure for adjusting
the navigation screen.
(→ P. 44)
The image is blurryDirt or foreign matter (such as
water droplets, snow, mud
etc.) is adhering to the cam-
era.Rinse the camera lens with
water and wipe it clean with a
soft cloth.
Wash with a mild soap if the
dirt is stubborn.
The image is out of alignmentThe camera or surrounding
area has received a strong im-
pact.Have the vehicle inspected by
your Lexus dealer.
The guide lines are very far
out of alignmentThe camera position is out of
alignment.Have the vehicle inspected by
your Lexus dealer.
•The vehicle is tilted. (There
is a heavy load on the vehi-
cle, tire pressure is low due
to a tire puncture, etc.)
• The vehicle is used on an
incline.If this happens due to these
causes, it does not indicate a
malfunction.
Back up while visually check-
ing the vehicle’s surroundings.
The estimated course lines
move even though the steer-
ing wheel is straightThere is a malfunction in the
signals being output by the
steering sensor.Have the vehicle inspected by
your Lexus dealer.