Lexus GS300h 2013 Owner's Manual

3604-5. Using the driving support system
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CAUTION
When using the Lexus parking assist-sensor
Observe the following precautions.
Failing to do so may result in the vehicle being unable to be driven safely
and possibly cause an accident.
Do not use the sensor at speeds in excess of 10 km/h (6 mph).
The sensors’ detection areas and reaction times are limited. When moving
forward or reversing, check the areas surrounding the vehicle (especially
the sides of the vehicle) for safety, and drive slowly, using the brake to
control the vehicle’s speed.
Do not install accessories within the sensors’ detection areas.
NOTICE
When using Lexus parking assist-sensor
In the following situations, the system may not function correctly due to a
sensor malfunction etc. Have the vehicle checked by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
The Lexus parking assist-sensor operation display flashes, and a beep
sounds when no obstacles are detected.
If the area around a sensor collides with something, or is subjected to
strong impact.
If the bumper collides with something.
If the display shows continuously without a beep.
If a display error occurs, first check the sensor.
If the error occurs even if there is no ice, snow or mud on the sensor, it is
likely that the sensor is malfunctioning.
Notes when washing the vehicle
Do not apply intensive bursts of water or steam to the sensor area.
Doing so may result in the sensor malfunctioning.

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Lexus parking assist monitor
The parking assist monitor assists with the following 2 backing-up
operations:
• Perpendicular parking (parking in a garage, etc.)
• Parallel parking (parking at the side of the road, etc.)
The screen illustrations used in this text are intended as examples, and
may differ from the image that is actually displayed on the screen.
Parking assist monitor will acti-
vate when the shift lever is in R.
If you move the lever out of R, the
parking assist monitor will be
deactivated.
When the shift lever is shifted to
the R position and any mode but-
ton (such as “MENU”) is pressed,
the parking assist monitor is can-
celed, and the screen is switched to
the mode of the button that was
pressed.
The parking assist monitor assists the driver by displaying an
image of the view behind the vehicle while backing up, for exam-
ple while parking.

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Screen display
The parking assist monitor screen will be displayed if the shift
lever is shifted to R while the power switch is in ON mode.
The parking assist monitor displays the last-used parking mode first.
Display mode switch screen button
Switches the display mode. (P. 363)
Lexus parking assist-sensor display*
If an obstacle is detected while the Lexus parking assist-sensor is on, a
display is shown in the top right corner of the screen.
*: Except for 12.3-inch display
Parking mode switch screen button
Switches the parking mode (between perpendicular parking and parallel
parking assist screens)
Narrow mode screen on-off button
Switch the narrow mode on and off. (P. 377)
Using the Lexus parking assist monitor
Perpendicular parkingParallel parking
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Using the system when perpendicular parking
Use any of the following
modes when perpendicular
parking (for example, when
parking in a garage).
Each time you select the dis-
play mode switch screen but-
ton, the display mode switches
in the following order:
Estimated course line display mode Parking assist guide line
display modeDistance guide line display modeEstimated
course line display mode

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Estimated course line display mode (P. 366)
Estimated course lines are
displayed which move in
accordance with the opera-
tion of the steering wheel.
Parking assist guide line display mode (P. 368)
The steering wheel return
points (parking assist guide
lines) are displayed.
Distance guide line display mode
Distance guide lines only
are displayed.

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Using the system when parallel parking
Screen display and beep
sounds provide an estimation
of the point at which you
should turn the steering wheel
when parallel parking. If the
position the vehicle is to be
parked in is narrower than
usual, narrow mode can be
used.
Each time you select the nar-
row mode screen on-off but-
ton, the narrow mode and the
normal mode are switched.
Switching the parking mode screen
Each time you select the park-
ing mode switch screen but-
ton, the perpendicular parking
mode and parallel parking
mode are switched.

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Screen description
Vehicle width extension guide line
The line indicates a guide path when the vehicle is being backed
straight up.
The displayed width is wider than the actual vehicle width.
The line aligns with the estimated course lines when the steering wheel
is straight.
Estimated course lines
The lines show an estimated course when the steering wheel is turned.
Distance guide line
The line moves, together with the estimated course lines, in sync with
the steering wheel. The line shows points approximately 0.5 m (1.5 ft.)
(red) and approximately 1 m (3 ft.) (yellow) from the center of the edge
of the bumper.
Distance guide line
The line shows distance behind the vehicle, a point approximately 0.5
m (1.5 ft.) (blue) from the edge of the bumper.
Perpendicular parking (estimated course line display mode)
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Parking operation
When parking in a space which is in the reverse direction to the
space described in the procedure below, the steering directions
will be reversed.
Shift the shift lever to the R position.
Turn the steering wheel so
that the estimated course
lines are within the parking
space, and back up slowly.
Parking space
Estimated course lines
When the rear position of
the vehicle has entered the
parking space, turn the
steering wheel so that the
vehicle width extension
guide lines are within the
left and right dividing lines
of the parking space.
Vehicle width extension
guide line
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Once the vehicle width extension guide lines and the parking
space lines are parallel, straighten the steering wheel and back
up slowly until the vehicle has completely entered the parking
space.
Stop the vehicle in an appropriate place, and finish parking.
Screen description
Vehicle width extension guide lines
These lines indicate a guide path when the vehicle is being
backed straight up. The displayed width is wider than the
actual vehicle width.
Parking assist guide lines
These lines indicate the path of the smallest turn possible
behind the vehicle.
These lines also indicate the approximate position of the steer-
ing wheel when parking.
Distance guide line
This line (red) indicates points approximately 0.5 m (1.5 ft.)
behind the rear bumper of your vehicle.
Perpendicular parking (parking assist guide line display
mode)
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Parking operation
When parking in a space which is in the reverse direction to the
space described in the procedure below, the steering directions
will be reversed.
Shift the shift lever to the R position.
Back up until the parking
assist guide line meets the
edge of the left-hand divid-
ing line of the parking
space.
Parking assist guide line
Parking space dividing
line
Turn the steering wheel all the way to the right, and back up
slowly.
Once the vehicle is parallel with the parking space, straighten
the steering wheel and back up slowly until the vehicle has
completely entered the parking space.
Stop the vehicle in an appropriate place, and finish parking.
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