Page 383 of 1014
3724-5. Using the driving support system
GS450h_300h_OM_OM30D53E_(EE)
Shift the shift lever to the R position.
Make sure the monitor displays the part behind the rear tires of
the parked vehicle, and select .
If the area is not displayed, move the vehicle to forward.
With the steering wheel straight, back up slowly to a position
at which the black and yellow vertical pole just overlaps the
rear end of the parked vehicle. Then stop the vehicle.
Black and yellow vertical
pole
Back the vehicle up to
here
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Page 384 of 1014
3734-5. Using the driving support system
4
Driving
GS450h_300h_OM_OM30D53E_(EE)
Turn the steering wheel with the vehicle stopped until the blue
outline meets the desired parking space.
Blue outline
Black and yellow vertical
pole
Extended line
If the extended line from the
blue outline is displayed, the
parallel parking assist is
operational.
Turn the steering wheel
right
Black and yellow vertical
pole
Blue outline
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Page 385 of 1014
3744-5. Using the driving support system
GS450h_300h_OM_OM30D53E_(EE)
Keep the steering wheel in
its current position and
backing up.
The parallel parking assist will
be canceled if the steering wheel
is moved while backing up.
Shift the shift lever out of the R
position, and restart from the
step .
When backing up, be careful not
to hit any obstacles with the
right front corner of your vehi-
cle. Back the vehicle up slowly.
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Page 386 of 1014
3754-5. Using the driving support system
4
Driving
GS450h_300h_OM_OM30D53E_(EE)
A curved blue line will appear on the screen. Keep the steering
wheel in its current position and back up slowly. Stop when the
curved blue line meets the corner of the desired parking space.
Curved blue line
Back up keeping the
steering wheel in its cur-
rent position
Curved blue line
Curved blue line meets
the corner here
If you back up too quickly,
you may lose synchroniza-
tion with the parallel parking
assist.
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Page 387 of 1014

3764-5. Using the driving support system
GS450h_300h_OM_OM30D53E_(EE)
Leaving the vehicle stopped, turn the steering wheel all the
way to the left.
Be sure to turn the steering wheel only when the vehicle is stopped.
When the screen changes, keep the steering wheel in its cur-
rent position and back up.
When backing up, be careful not to hit any obstacles with the right front
corner of your vehicle. Back the vehicle up slowly.
When the vehicle is parallel with the road or the shoulder,
straighten the steering wheel.
Check your surroundings visually and with the mirrors, then
back up using the distance guide lines as a reference, and stop.
When the vehicle is approximately in the desired parking location, the
parallel parking assist is complete.
Parallel parking assist mode information
• There is a possibility that parallel parking guidance may not
be given when backing up at a very slow speed.
• If the trunk is opened during parallel parking guidance, the
parallel parking assist will be interrupted and canceled. Stop
the vehicle, shift the shift lever out of the R position, and
restart the operation from the step
.
Canceling parallel parking assist
Select .
Vehicles with Lexus parking assist-sensor
If Lexus parking assist-sensor detects an object while you
attempt to park in a parking space on the left, the black and
yellow vertical pole could be obscured by Lexus parking
assist-sensor display. In this event, turn Lexus parking assist-
sensor switch off (P. 349), and operate the vehicle while
checking the safety of the surrounding area direct visually and
with mirror. After the operation, turn the switch on.
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Page 388 of 1014
3774-5. Using the driving support system
4
Driving
GS450h_300h_OM_OM30D53E_(EE)
If the message “Steering wheel turned too far, please return.”
is displayed
The steering wheel has been turned too far, and the system
cannot function. Return the steering wheel to its original posi-
tion.
If the message is displayed before the outline is positioned
over the desired parking space, it is likely that the vehicle is
too far away from the shoulder. Check that there is a gap of
approximately 1 m (3 ft.) between your vehicle and the parked
vehicle.
Narrow mode
If the position the vehicle is to be parked in is narrower than
usual, narrow mode can be used.
Normal mode
Narrow mode
The power switch is turned off
when the parking assist monitor
is canceled with narrow mode,
the caution screen is displayed
first when the parallel parking
assist is selected next time.
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Page 397 of 1014

3864-5. Using the driving support system
GS450h_300h_OM_OM30D53E_(EE)
The image is blurry
Dirt or foreign matter
(such as water droplets,
snow, mud etc.) is
adhering to the camera.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
alignment
The camera or sur-
rounding area has
received a strong
impact.
Have the vehicle
inspected by any
authorized Lexus
dealer or repairer, or
another duly qualified
and equipped profes-
sional.
The guide lines are
very far out of align-
ment
The camera position is
out of alignment.
Have the vehicle
inspected by any
authorized Lexus
dealer or repairer, or
another duly qualified
and equipped profes-
sional.
• The vehicle is tilted
(there is a heavy load
on the vehicle, 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 malfunc-
tion.
Back up while visually
checking the vehicle’s
surroundings.
The estimated course
lines move even
though the steering
wheel is straightThere is a malfunction
in the signals being
output by the steering
sensor.
Have the vehicle
inspected by any
authorized Lexus
dealer or repairer, or
another duly qualified
and equipped profes-
sional.
SymptomLikely causeSolution
Page 398 of 1014

3874-5. Using the driving support system
4
Driving
GS450h_300h_OM_OM30D53E_(EE)
Guide lines are not dis-
playedThe trunk lid is open.
Close the trunk lid.
If this does not resolve
the symptom, have the
vehicle inspected by
any authorized Lexus
dealer or repairer, or
another duly qualified
and equipped profes-
sional.
“System is initializ-
ing.” is displayed
• The 12-volt battery
has been reinstalled.
• The steering wheel
has been moved
while the 12-volt bat-
tery was being rein-
stalled.
• 12-volt battery power
is low.
• The steering sensor
has been reinstalled.
• There is a malfunc-
tion in the signals
being output by the
steering sensor.
Stop the vehicle, and
turn the steering wheel
as far as it will go to
the left and right.
If this does not resolve
the symptom, have the
vehicle inspected by
any authorized Lexus
dealer or repairer, or
another duly qualified
and equipped profes-
sional.
• On the system initial-
ization screen, select
the “?” button to dis-
play the operating
procedure.
SymptomLikely causeSolution