2012 Lexus GS250 park assist

3104-5. Using the driving support
GS350/250_EE (OM30C36E)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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3114-5. Using the driving support
4
Driving
GS350/250_EE (OM30C36E)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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3124-5. Using the driving support
GS350/250_EE (OM30C36E)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, the parallel parking assist will be inter-
rupted by a message being displayed on the screen. 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 yel-
low vertical pole could be obscured by Lexus parking assist-sen-
sor display. In this event, turn Lexus parking assist-sensor switch
off (P. 285), 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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3134-5. Using the driving support
4
Driving
GS350/250_EE (OM30C36E)
If the message “Steering wheel turned too far, please return.” is
displayed
The steering wheel has been turned too far, and the system can-
not function. Return the steering wheel to its original position.
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 approxi-
mately 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 engine 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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3144-5. Using the driving support
GS350/250_EE (OM30C36E)
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.
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3154-5. Using the driving support
4
Driving
GS350/250_EE (OM30C36E)
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. 372)
• 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 seen on
the screen.
• 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 by the monitor.
Lexus parking assist monitor precautions
Corners of bumper

3164-5. Using the driving support
GS350/250_EE (OM30C36E)
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.
Differences between the screen and the actual road
The distance guide lines and the vehicle width extension guide
lines may not actually be parallel with the dividing lines of the
parking space, even when they appear to be so. Be sure to check
visually.
The distances between the vehicle width extension guide lines
and the left and right dividing lines of the parking space may not
be equal, even when they appear to be so. Be sure to check visu-
ally.
The distance guide lines give a distance guide for flat road sur-
faces. In any of the following situations, there is a margin of

3214-5. Using the driving support
4
Driving
GS350/250_EE (OM30C36E)
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. 3 7 2 )