2015 Lexus ES300h steering wheel

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4-2. Driving procedures
Horn
To sound the horn, press on or close
to the mark.
■After adjusting the steering wheel (manual adjustment type)
Make sure that the steering wheel is securely locked.
The horn may not sound if the steering wheel is not securely locked. (P. 1 6 9 )

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2714-5. Using the driving support systems
4
Driving
CAUTION
■When the sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary when any of the following types of vehicles are in
front of you.
As the sensor may not be able to correc tly detect these types of vehicles, the
approach warning ( P. 264) will not be activated, and a fatal or serious accident
may result.
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving
●Vehicles with small rear ends (trailers with no load on board etc.)
●Motorcycles traveling in the same lane
●When water or snow thrown up by the surrounding vehicles hinders the function-
ing of the sensor
●When your vehicle is pointing upwards (caused by a heavy load in the trunk etc.)
■Conditions under which the vehicle-to-veh icle distance control may not function
correctly
Apply the brakes as necessary in the following conditions as the radar sensor may
not be able to correctly detect vehicles ahead, and a fatal or serious accident may
result:
●When the road curves or when the lanes are narrow
●When steering wheel operation or your position in the lane is unstable
●When the vehicle ahead of you decelerates suddenly

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4-5. Using the driving support systems
■When changing the tires
Depending on the tires used, sufficient performance may not be maintainable.
■Warning messages for LDA system
Warning messages are used to indicate a system malfunction or to inform the driver
of the need for caution while driving. (P. 639, 646)
CAUTION
■Before using the LDA system
Do not rely solely on the LDA system. The LDA system does not drive the vehicle
automatically, nor does it reduce the amount of care you need to take. As such, the
driver must always assume full responsi bility for understanding his/her surround-
ings, for operating the steering wheel to correct the driving line, and for driving
safely.
Inappropriate or negligent driving could lead to an accident.
■To avoid operating the LDA by mistake
Switch the LDA system off using the “LDA” switch when not in use.
■Situations unsuitable for LDA system
Do not use LDA system in any of the following situations.
Otherwise, the system may not function co rrectly and could result in an accident.
●When driving with tire chains, a spare tire, or similar equipment
●When there are objects or structures along the roadside that might be misinter-
preted as lane markers (such as guardrails, curb, reflector posts, etc.)
●When driving on snowy roads
●When pavement lane markers are difficult to see due to rain, snow, fog, sand, dirt,
etc.
●When there are visible lines on the pavement from road repairs, or if the remains
of old lane markers are still visible on the road
●When driving on a road with lane closures due to maintenance, or when driving
in a temporary lane

ES350_300h_OM_OM33B99U_(U)
2954-5. Using the driving support systems
4
Driving
■Screen display
The parking assist monitor screen
will be displayed if the shift posi-
tion is shifted to R while the
“START STOP ENGINE”
<“POWER”> switch is in
IGNITION ON mode.Intuitive parking assist display
(if equipped)
If an obstacle is detected while the intuitive parking assist is on, a display is
shown in the top right corner of the screen.
■Using the system
Use any of the following modes.
●Estimated course line display mode ( P. 2 9 8 )
Estimated course lines are dis-
played which move in accor-
dance with the operation of the
steering wheel.
Using the Lexus parking assist monitor
A

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4-5. Using the driving support systems
●Parking assist guide line display mode (P. 300)
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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4-5. Using the driving support systems
■Screen descriptionVehicle width guide line
The line indicates a guide path when th e 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 estimate d course lines, in sync with the steer-
ing wheel. The line shows points approximately 1.5 ft. (0.5 m) (red) and
approximately 3 ft. (1 m) (yellow) from the center of the edge of the bumper.
Distance guide line
The line shows distance behind the vehicle, a point approximately 1.5 ft. (0.5
m) (blue) from the edge of the bumper.
Vehicle center guide line
The line indicates the estimated vehicle center on the ground.
Estimated course line display mode
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2994-5. Using the driving support systems
4
Driving
■Parking operation
When parking in a space which is in the reverse direction to the space
described in the procedure belo w, the steering directions will be
reversed.
Shift the shift position to 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 park-
ing space, turn the steering
wheel so that the vehicle width
guide lines are within the left
and right dividing lines of the
parking space. Vehicle width guide line
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4-5. Using the driving support systems
Once the vehicle width guide lines and the parking space lines are
parallel, straighten the steering wh eel and back up slowly until the
vehicle has completely en tered the parking space.
Stop the vehicle in an appropriate place, and finish parking.
■Screen description
Vehicle width 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 pa th of the smallest turn possible behind the
vehicle.
These lines also indicate the ap proximate position of the steering
wheel when parking.
Distance guide line
This line (red) indicates points approximately 1.5 ft. (0.5 m) behind
the rear bumper of your vehicle.
Vehicle center guide line
The line indicates the estimated vehicle center on the ground.
Parking assist guide line display mode
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