2020 Lexus IS350 Owner's Manual / LEXUS 2020 IS300,IS350 OWNER'S MANUAL QUICK GUIDE (OM53F44U)

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Dynamic Radar Cruise Control
Vehicle-to-vehicle distance switch
Display
Set speed
Indicators
Cruise control switch
■Setting the vehicle speed (vehicle-t o-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.
Accelerate or dece lerate, 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.
In vehicle-to-vehicle distance control mode , the vehicle automatically accelerates and
decelerates to match the speed changes of the preceding vehicle even if the accelerator
pedal is not depressed. In constant speed control mode, the vehicle runs at a fixed speed.
Use the dynamic radar cruise control on freeways and highways.
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■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 up or
down to change the speed, and release
when the desired speed is reached.
■ Changing the vehicle-to-vehicle distan ce (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
engine switch is turned to IGNITION
ON mode.
If a vehicle is running ahead of you, the
preceding vehicle mark will also be dis-
played.
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Preceding vehicle mark
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The vehicle-to-vehicle distance control mode maintains the preset cruising speed as long
as no vehicle is detected ahead.

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■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.
Pushing the lever up resumes the
cruise control and returns vehicle
speed to th e set speed.
However, cruise control does not
resume when the vehicle speed is
approximately 25 mph (40 km/h) or
less.
■ 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 possib le when operating
the lever with the cruise control off.
Accelerate or dece lerate, 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.
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LDA (Lane Departure Alert 
with Steering Control)
■ Turning LDA system on
Press the LDA switch to turn the LDA sys-
tem on.
The LDA indicator illuminates and a
message is displayed on the multi-infor-
mation display.
Press the LDA switch again to turn the
LDA system off.
When the LDA system is turned on or
off, operation of the LDA system contin-
ues in the same condition the next time
the engine is started.
When driving on highways and freeways with white (yellow) lines, this function alerts the
driver when the vehicle might depart from it s lane and provides assistance by operating
the steering wheel to keep the vehicle in its lane.

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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, Lexus Display Audio screen (if equipped) and a buzzer. Always check the
surrounding area when using this system.

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BSM (Blind Spot Monitor) (if equipped)
The Blind Spot Monitor is a system that has 2 functions:
● The BSM (Blind Spot Monitor) function 
Assists the driver in making a decision when changing lanes
● The RCTA (Rear Cross Traffic Alert) function 
Assists the driver when backing up
These functions use same sensors.
BSM main switch
Pressing the switch turns the sy stem on or off. When the switch is set to on, the switch’s
indicator illuminates and the buzzer sounds. Common switch for BSM function and
RCTA function.
Outside rear view mirror indicators
BSM function:
When a vehicle is detected in the blind spot, the outside rear view mirror indicator
comes on while the turn signal lever is not operated. If the turn signal lever is operated
toward the detected side, the outsid e rear view mirror indicator flashes.
RCTA function:
When a vehicle approaching from the right or le ft at the rear of the vehicle is detected,
both outside rear view mirr or indicators will flash.
RCTA buzzer (RCTA function)
If a vehicle approaching from the right or left at the rear of the vehicle is detected, a
buzzer will sound. The buzzer also sounds for approximately 1 second immediately
after the BSM function is operated to turn the system on.
Monitor screen display (RCTA function)
If a vehicle approaching from the right or left at the rear of the vehicle is detected, the
RCTA icon for the detected side will be displayed on the monitor screen.
This illustration shows an example of a vehicle approaching from the left at the rear of
the vehicle.
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Tire Pressure Warning System
■The tire inflation pressure display function
The tire pressure detected by the tire pres-
sure warning system can be displayed on
the multi-information display.
■ Initializing the tire pressure warning system
Press and hold the ti re pressure warning
reset switch until the tire pressure warning
light blinks slowly 3 times.
Your vehicle is equipped with a tire pressure warning system that uses tire pressure warn-
ing valves and transmitters to detect low ti re inflation pressure before serious problems
arise.

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Remote Touch (if equipped)
■Basic operation
“MAP” button
Press this button to display the vehicle’s current position.
“ • ” button
Press this button to change map scale and scroll through lists.
Back button
Press to display the previous screen.
“MENU” button
Press to display th e “Menu” screen. ( P. 33)
Remote Touch knob
Move in the desired direction to select a function, letter and screen button.
Press the knob to enter the selected function, letter or screen button.
“ENTER” button
Press to enter the selected function, letter or screen button.
The Remote Touch can be used to operate the Remote Touch screens.
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