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.
7
1
2
3
4
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.
8
9
10
1
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.
1
2
Page 389 of 1014
3784-5. Using the driving support system
GS450h_300h_OM_OM30D53E_(EE)
Operating narrow mode
Select while in parallel parking assist mode.
Confirm the warning on the caution screen. If you agree,
select “I Agree”. To cancel narrow mode, select .
When the system is switched to narrow mode, the indicator
on will be turned on.
Select again to
switch the system to the
normal mode.
1
2
3
Page 390 of 1014
3794-5. Using the driving support system
4
Driving
GS450h_300h_OM_OM30D53E_(EE)
Area displayed on screen
The parking assist monitor
displays an image of the view
from the bumper of the rear
area of the vehicle.
To adjust the image on the
parking assist monitor screen.
(P. 446)
• The area displayed on the screen
may vary according to vehicle
orientation conditions.
• Objects which are close to either
corner of the bumper or under
the bumper cannot be displayed.
• The camera uses a special lens.
The distance of the image that
appears on the screen differs
from the actual distance.
• Items which are located higher
than the camera may not be dis-
played on the monitor.
• If your vehicle is equipped with
a backlit license plate, it may
interfere with the display.
Lexus parking assist monitor precautions
Corners of bumper
Page 391 of 1014
3804-5. Using the driving support system
GS450h_300h_OM_OM30D53E_(EE)
Lexus parking assist monitor camera
The camera for the parking
assist monitor is located above
the license plate.
Using the camera
If the camera lens becomes dirty, it cannot transmit a clear
image. If water droplets, snow or mud adhere to the lens, rinse
with water and wipe with a soft cloth. If the lens is extremely
dirty, wash it with a mild cleanser and rinse.
Page 396 of 1014

3854-5. Using the driving support system
4
Driving
GS450h_300h_OM_OM30D53E_(EE)
If you think something is wrong
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 any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional.
Things you should know
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 tempera-
ture is low
• There are water drop-
lets on the camera
• It is raining or humid
• Foreign matter (mud
etc.) is adhering to
the camera
• There are scratches
on the camera
• Sunlight or head-
lights are shining
directly into the cam-
era
• The vehicle is under
fluorescent lights,
sodium lights, mer-
cury lights etc.
If this happens due to
these causes, it does
not indicate a malfunc-
tion.
Back up while visually
checking the vehicle’s
surroundings. (Use the
monitor again once
conditions have been
improved.)
To adjust the image on
the parking assist mon-
itor screen. (P. 4 4 6 )
Page 399 of 1014

3884-5. Using the driving support system
GS450h_300h_OM_OM30D53E_(EE)
CAUTION
When using the Lexus parking assist monitor system
The Lexus parking assist monitor is a supplemental device intended to
assist the driver when backing up. When backing up, be sure to check visu-
ally behind and all around the vehicle before proceeding.
Observe the following precautions to avoid an accident that could result in
death or serious injuries.
Never depend on the Lexus parking assist monitor entirely when backing
up. The image and the position of the guide lines displayed on the screen
may differ from the actual state.
Use caution, just as you would when backing up any vehicle.
Be sure to back up slowly, depressing the brake pedal to control vehicle
speed.
If you seem likely to hit nearby vehicles, obstacles, people or mount the
shoulder, depress the brake pedal to stop the vehicle, then disable the
assist system by select on the screen to cancel the system.
The instructions given are only guidelines.
When and how much to turn the steering wheel will vary according to
traffic conditions, road surface conditions, vehicle condition, etc. when
parking. It is necessary to be fully aware of this before using the parking
assist system.
When parking, be sure to check that the parking space will accommodate
your vehicle before maneuvering into it.
Do not use the Lexus parking assist monitor in the following cases:
• On icy or slick road surfaces, or in snow
• When using tire chains or emergency tires
• When the trunk lid is not closed completely
• On roads that are not flat or straight, such as curves or slopes.