Lexus GS450h 2018 / LEXUS 2018 GS450H QUICK GUIDE (OM30G74U) Service Manual

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GS450h_QG_OM30G74U_(U)
LKA (Lane-Keeping Assist) (if equipped)
■Turning the LKA system on
Press the LKA switch to turn the LKA sys-
tem on.
The LKA indicator illuminates and a
message is displayed on the multi-infor-
mation display.
Press the LKA switch again to turn the
LKA system off.
When the LKA system is turned on or
off, operation of the LKA system contin-
ues in the same condition the next time
the hybrid system is started.
When driving on highways and freeways with white or yellow lines, this function alerts the
driver when the vehicle might depart from its lane and provides assistance by operating
the steering wheel to keep the vehicle in its lane. Furthermore, the system also provides
steering assistance when dynamic radar cruise control with full-speed range is operating
to keep the vehicle in its lane.
The LKA system recognizes visible white or yellow lines with the camera sensor on the
upper portion of the front windshield.

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GS450h_QG_OM30G74U_(U)
Dynamic Radar Cruise Control with
Full-Speed Range (if equipped)
Vehicle-to-vehicle distance switch
Display
Set speed
Indicators
Cruise control switch
In vehicle-to-vehicle distance control mode, the vehicle automatically accelerates, decel-
erates and stops to match the speed changes of the preceding vehicle even if the acceler-
ator pedal is not depressed. In constant speed control mode, the vehicle runs at a fixed
speed.
Use the dynamic radar cruise control with full-speed range on freeways and highways.
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GS450h_QG_OM30G74U_(U)
■Setting the vehicle speed (vehicle-to-vehicle distance control mode)
Press the “ON/OFF” button to activate
the cruise control.
Radar cruise control indicator will
come on and a message will be dis-
played on the multi-information dis-
play.
Press the button again to deactivate
the cruise control.
If the “ON/OFF” button is pressed
and held for 1.5 seconds or more, the
system turns on in constant speed
control mode.
Accelerate or decelerate, with accel-
erator pedal operation, to the desired
vehicle speed (at or above approxi-
mately 30 mph [50 km/h]) and push
the lever down to set the speed.
Cruise control “SET” indicator will
come on.
The vehicle speed at the moment the
lever is released becomes the set
speed.
If the lever is operated while the vehi-
cle speed is below approximately
30 mph (50 km/h) and a preceding
vehicle is present, the set speed will
be adjusted to approximately
30 mph (50 km/h).1
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GS450h_QG_OM30G74U_(U)
■Adjusting the set speed
Increases the speed
(Except when the vehicle has been
stopped by system control in vehicle-
to-vehicle distance control mode)
Decreases the speed
Fine adjustment: Momentarily move
the lever in the desired direction.
Large adjustment: Hold the lever up or
down to change the speed, and release
when the desired speed is reached.
■Changing the vehicle-to-vehicle distance (vehicle-to-vehicle distance con-
trol mode)
Pressing the switch changes the vehicle-to-
vehicle distance as follows:
Long
Medium
Short
The vehicle-to-vehicle distance is set
automatically to long mode when the
power switch is turned ON mode.
If a vehicle is running ahead of you,
the preceding vehicle mark will also
be displayed.
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Preceding
vehicle mark
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GS450h_QG_OM30G74U_(U)
■Resuming follow-up cruising when the vehicle has been stopped by system
control (vehicle-to-vehicle distance control mode)
After the vehicle ahead of you starts off,
push the lever up.
Your vehicle will also resume follow-up
cruising if the accelerator pedal is
depressed after the vehicle ahead of you
starts off.
■Canceling and resuming the speed control
Pulling the lever toward you cancels
the speed control.
The speed control is also canceled
when the brake pedal is depressed.
(When the vehicle has been stopped
by system control, depressing the
brake pedal does not cancel the set-
ting.)
Pushing the lever up resumes the
cruise control and returns vehicle
speed to the set speed.
However, when a vehicle ahead is not
detected, cruise control does not
resume when the vehicle speed is
approximately 25 mph (40 km/h) or
less.1
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GS450h_QG_OM30G74U_(U)
■Selecting constant speed control mode
With the cruise control off, press and
hold the “ON/OFF” button for 1.5 sec-
onds or more.
Immediately after the “ON/OFF”
button is pressed, the radar cruise
control indicator will come on. After-
wards, it switches to the cruise con-
trol indicator.
Switching to constant speed control
mode is only possible when operating
the lever with the cruise control off.
Accelerate or decelerate, with accel-
erator pedal operation, to the desired
vehicle speed (at or above approxi-
mately 30 mph [50 km/h]) and push
the lever down to set the speed.
Cruise control “SET” indicator will
come on.
The vehicle speed at the moment the
lever is released becomes the set
speed.1
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GS450h_QG_OM30G74U_(U)
Cruise Control (if equipped)
Set speed
Indicators
Cruise control switch
■Setting the vehicle speed
Press the “ON/OFF” button to activate
the cruise control.
Cruise control indicator will come on.
Press the button again to deactivate
the cruise control.
Accelerate or decelerate the vehicle to
the desired speed, and push the lever
down to set the speed.
Cruise control “SET” indicator will
come on.
The vehicle speed at the moment the
lever is released becomes the set
speed.
Use the cruise control to maintain a set speed without depressing the accelerator pedal.
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GS450h_QG_OM30G74U_(U)
■Adjusting the set speed
Increases the speed
Decreases the speed
Fine adjustment: Momentarily move
the lever in the desired direction.
Large adjustment: Hold the lever in the
desired direction.
■Canceling and resuming the constant speed control
Pulling the lever toward you cancels
the constant speed control.
The speed setting is also canceled
when the brakes are applied.
Pushing the lever up resumes the con-
stant speed control.
Resuming is available when the vehi-
cle speed is more than approximately
25 mph (40 km/h).
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GS450h_QG_OM30G74U_(U)
Intuitive Parking Assist (if equipped)
■Turning the system on and off
Turns the intuitive parking assist on/off
When on, the indicator light comes on to
inform the driver that the system is oper-
ational.
The distance from your vehicle to nearby obstacles when parallel parking or maneuver-
ing into a garage is measured by the sensors and communicated via the multi-informa-
tion display, Remote Touch screen and a buzzer. Always check the surrounding area
when using this system.

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GS450h_QG_OM30G74U_(U)
Driving Mode Select Switch
Normal mode/Customized mode
Normal mode and customized mode are selected by pressing the driving mode select
switch. Each time the switch is pressed, the driving mode changes between normal
mode and customized mode. When customized mode is selected, the “Customize” or
“CUSTOMIZE” indicator will be illuminated.
Press the switch to change the driving mode to normal mode when Eco drive mode or
sport mode is selected.
• Normal mode
For normal driving.
• Customized mode
Allows you to drive with the power train, chassis and air conditioning system functions
set to your preferred settings.
Customized mode settings can only be changed on the drive mode customization
display of the Remote Touch screen.
The driving modes can be selected to suit driving condition.
Except
F SPORT models
F SPORT models
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