Toyota IS300h Manual page 310

1. LEXUS PARKING ASSIST MONITOR
Symptom
The guide lines are very far
out of alignment
The estimated course lines
move even though the
steering wheel is straight
Guide lines are not dis-
played
310
IS300h/250_Navi_EE
Likely cause
The camera position is out
of alignment.
 The vehicle is tilted.
(There is a heavy load on
the vehicle, tyre pressure
is low due to a tyre punc-
ture, etc.)
 The vehicle is used on an
incline.
There is a malfunction in
the signals being output by
the steering sensor.
The trunk is open.
Solution
Have the vehicle inspected
by any authorized Lexus
dealer or repairer, or anoth-
er duly qualified and
equipped professional.
If this happens due to these
causes, it does not indicate
a malfunction. Back up
while visually checking the
vehicle's surroundings.
Have the vehicle inspected
by any authorized Lexus
dealer or repairer, or anoth-
er duly qualified and
equipped professional.
Close the trunk.
If this does not resolve the
symptom, have the vehicle
inspected by any autho-
rized Lexus dealer or re-
pairer, or another duly
qualified and equipped pro-
fessional.