Page 336 of 676

3364-5. Using the driving support systems
IS200t_EE(OM53D77E)
■Conditions under which the RCTA function will not detect a vehicle
The RCTA function is not designed to detect the following types of vehicles and/or
objects:
●Vehicles approaching from directly behind
●Vehicles backing up in a parking space next to your vehicle
●Guardrails, walls, signs, parked vehi cles and similar stationary objects*
●Small motorcycles, bicycles, pedestrians, etc.*
●Vehicles moving away from your vehicle
●Vehicles approaching from the parking spaces next to your vehicle*
*
: Depending on the conditions, detection of a vehicle and/or object may occur.
■Conditions under which the RCTA function may not function correctly
●The RCTA function may not detect vehicles correctly in the following situations:
• When the sensor is misaligned due to a strong impact to the sensor or its surround-
ing area
• When mud, snow, ice, a sticker, etc. is covering the sensor or surrounding area on the rear bumper
• When driving on a road surface that is wet with standing water during bad weather, such as heavy rain, snow, or fog
• When multiple vehicles are approaching wi th only a small gap between each vehicle
• When a vehicle is approaching at high speed
• When towing a trailer (vehicles with towing package)
●Vehicles that the sensors cannot detect due to
obstructions
• When backing up on a slope with a sharp change in grade
Page 337 of 676
3374-5. Using the driving support systems
4
Driving
IS200t_EE(OM53D77E)
●Instances of the RCTA function unnecessarily detecting a vehicle and/or object may
increase in the following situations:
• When a vehicle passes by the side of your vehicle
• When the distance between your vehicle and metal objects, such as a guardrail,wall, sign, or parked vehicle, which may reflect electrical waves toward the rear of
the vehicle, is short
• When backing out of a shallow angle park-
ing spot
• When the sensors cannot detect a vehicle due to obstructions
• When the parking space faces a street and vehicles are being driven on the street
Page 563 of 676
5638-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D77E)
Indicates that the trunk is not fully closedIf the vehicle reaches a speed of 5 km/h (3 mph),
flashes and a buzzer sounds to indicate that
the trunk is not yet fully closed.
Close the trunk.
(If equipped)
Indicates a malfunction in th e Lexus parking assist-sen-
sor The assist-sensors flash.
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates that a Lexus parking assist-sensor is dirty or
covered with ice
A buzzer also sounds.
Clean the sensor.
Warning messageDetails/Actions
Page 646 of 676

6469-2. Customization
IS200t_EE(OM53D77E)
■Turn signal lever (P. 216)
*1: After flashing the turn signal lights when turning left or right while this function is off
and the turn signal lever is moved to the fi rst position in the direction of the flashing
light, the turn signal lights can be selected to be flashing or off.
*2: The turn signal lights keep flashing if the turn signal lever is moved to the first position in the direction of flashing light.
*3: The turn signal lights will be off if the turn signal lever is moved to the first position inthe direction of flashing light.
■Automatic light control system ( P. 218)
■Lexus parking assist-sensor*1 ( P. 299)
*1: If equipped
*2: When Lexus parking assist-sensor is operating.
FunctionDefault settingCustomized setting
The number of times the turn sig-
nal lights flash automatically
when the turn signal lever is
moved to the first position during
a lane change
*1
3
5
—O7
Off*2
Off*3
12
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2OO
Time elapsed before headlights
automatically turn off30 seconds
60 seconds
—O90 seconds
120 seconds
12
FunctionDefault settingCustomized setting
Detection distance of the front
center sensorFarNearOO
Detection distance of the rear
center sensorFarNearOO
Buzzer volume31 to 5OO
Display setting*2All sensors
displayedDisplay offOO
12
Page 666 of 676

666Alphabetical index
IS200t_EE(OM53D77E)
Navigation system*
Needle ....................................................... 107
Odometer................................................... 93
OilDifferential oil ....................................... 637
Engine oil ...............................................633
Opener
Hood ........................................................ 497
Trunk ......................................................... 135
Outer foot lights Location..................................................465
Replacing light bulbs........................536
Wattage..................................................639
Outside rear view mirrors ..................173 Adjusting and folding......................... 173
BSM (Blind Sport Monitor).......... 324
Linked mirror function
when reversing..................................175
Mirror position memory.................... 161
Outside rear view mirror defoggers ......................................... 458
Outside temperature ............................. 93
Overheating ........................................... 622 Paddle shift switches .............................. 211
Parking assist sensors......................... 299
Parking assist monitor ........................308
Parking brake........................................... 217
PCS (Pre-Collision System) ............ 246
Warning light....................................... 556
Personal lights........................................ 466
Wattage ................................................. 639
Pollen removal mode.......................... 458
Pop-up display.........................................107
Pop Up Hood............................................ 53
Power easy access system .................. 161
Power outlet ............................................476
Power steering (Electric power steering system)................................. 340
Warning light.......................................555
Power windows ....................................... 177
Door lock linked window operation.............................................. 179
Jam protection function ................... 178
Operation ................................................177
Window lock switch ...........................177
Pre-Collision System (PCS) ............ 246
Warning light....................................... 556
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