Page 510 of 612

5108-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
Indicates a malfunction in:
•The ABS; or
• The brake assist systemA buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Indicates that the engine coolant temperature is too high
A buzzer also sounds.
→ P. 5 5 7
(If equipped)
Indicates that the radar sensor is dirty or covered with
ice
A buzzer also sounds.
→ Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control system is
unable to judge vehicle-to-vehicle distance
A buzzer also sounds.
→ Tu r n o f f s n o w m o d e .
If the windshield wipers are on, turn them off or set
them to a mode other than AUTO or high speed
wiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system is
suspended (The camera sensor temperature is higher
than the operation temperature range)
A buzzer also sounds.
→ Restart the LDA after driving for a while.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
→ Clean the sensor and its surrounding area on the
bumper.
Wa r n i n g m e s s a g eDetails/Actions
Page 515 of 612
5158-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D19E)
(If equipped)
Indicates that the PCS (Pre-Crash Safety system) is not
currently functional because the grille cover or the sen-
sor is dirty
→Check the grille cover and the sensor and clean
them if they are dirty.
Indicates that operation of large electricity consuming
systems such as the air conditioning system are sus-
pended
→ Stop using unnecessary electric components to
reduce electricity consumpt ion. Wait a while until
the electric power supply is restored.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system
cannot be used because the vehicle speed is lower than
approximately 50 km/h (32 mph)
→ Drive the vehicle at 50 km/h (32 mph) or higher.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)
Page 532 of 612

5328-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use with
your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steeri ng, sudden braking and shifting operations
that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 80 km/h (50 mph) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accid ent causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibility of personal injury during a collision or sudden brak-
ing.
NOTICE
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving performance.
■When replacing the tires (vehicles with a tire pressure warning system)
When removing or fitting the wheels, tires or the tire pressure warning valve and trans-
mitter, contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional as the tire pressure warning valve and transmitter may be dam-
aged if not handled correctly.
• ABS & Brake assist
•VSC
•TRC
• Cruise control (if equipped)
• Dynamic radar cruise control (if equipped)
•PCS (if equipped)
•EPS • LDA (Lane departure alert)
(if equipped)
• Rear view monitor system (if equipped)
• Lexus parking assist monitor (if equipped)
• Lexus parking assist-sensor
(if equipped)
• Navigation system (if equipped)
Page 582 of 612

5829-2. Customization
IS200t_EE(OM53D19E)
■Tu r n s i g n a l l e v e r ( →P. 2 0 7 )
*1: After flashing the turn signal lights when turn ing left or right while this function is off
and the turn signal lever is moved to the first 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. 2 1 0 )
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
123
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2O—O
Time elapsed before headlights
automatically turn off30 seconds
60 seconds
——O90 seconds
120 seconds
123
Page 583 of 612
583
9
9-2. Customization
Vehicle specifications
IS200t_EE(OM53D19E)
■Stop & Start system (Smart Stop)* (
→ P. 3 9 8 )
*: If equipped
■Lexus parking assist-sensor*1 (→ P. 2 6 6 )
*1: If equipped
*2: When Lexus parking assist-sensor is operating.
■Automatic air conditioning system ( →P. 3 9 8 )
■Seat heaters* (→ P. 409)
*:If equipped
FunctionDefault settingCustomized setting
Change the Stop & Start system
duration when the A/C is onStandardExtended—O—
123
FunctionDefault settingCustomized setting
Detection distance of the front
center sensorFarNearO—O
Detection distance of the rear
center sensorFarNearO—O
Buzzer volume31 to 5O—O
Display setting*2All sensors
displayedDisplay offO—O
123
FunctionDefault settingCustomized setting
Switching between outside air
and recirculated air mode linked
to “AUTO” switch operationOnOffO—O
A/C Auto switch operationOnOffO—O
123
FunctionDefault settingCustomized setting
Seat heater timer controlOffOnO—O
123
Page 587 of 612
587
Index
IS200t_EE(OM53D19E)
What to do if... (Troubleshooting)............................... 588
Alphabetical index................................. 592
For vehicles with a navigation or multimedia system, refer to
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S
MANUAL” for information regarding the equipment listed below.
•Navigation system
• Audio/video system • Lexus parking assist-sensor
• Lexus parking assist monitor
Page 590 of 612

590What to do if... (Troubleshooting)
IS200t_EE(OM53D19E)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( →P. 1 6 9 )
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( →P. 1 9 8 )
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( →P. 5 0 2 )
●The parking brake indicator is on
Is the parking brake released? ( →P. 2 0 9 )
Depending on the situation, other types of warning buzzer may also sound.
( → P. 500, 506)
●Did anyone inside the vehicle open a door or anything move inside the vehicle
during setting the alarm?
The sensor detects them and the alarm sounds. ( →P. 8 3 )
Do one of the following to deactivate or stop the alarm:
• Unlock the doors or open the trunk using th e entry function or wireless remote con-
trol.
• Start the engine.
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and th e horn sounds (if equipped)
Page 599 of 612

599Alphabetical index
IS200t_EE(OM53D19E)
IdentificationEngine..................................................... 565
Vehicle ................................................... 565
Ignition switch (engine switch) ......... 196
Illuminated entry system ..................... 412
Indicators..................................................... 92
Initialization Engine oil maintenance data ....... 444
Moon roof ...............................................175
Multi-information display ................ 104
Power windows....................................170
Tire pressure warning system ..................................................453
Inside door handle lights ....................... 411
Inside rear view mirror ........................ 163
Instrument panel light control ............98
Intercooler ............................................... 446
Intercooler coolant .............................. 445 Capacity ................................................ 569
Checking ...............................................445
Preparing and checking
before winter ................................... 309
Interior lights ............................................ 412
Wattage.................................................. 573
Intrusion sensor and tilt sensor ..........86
ISOFIX rigid anchors............................. 67
Jack
Positioning the jack...........................440
Vehicle-equipped jack .......523, 534
Jack handle .................................. 523, 534
Jam protection function Moon roof ............................................... 174
Power window ......................................170 Keyless entry
Smart entry & start system.......................................... 122, 129
Wireless remote control ....... 122, 129
Keys............................................................... 116
Battery-Saving Function .................. 135
Electronic key..........................................116
Engine switch ........................................ 196
If the electronic key does not operate properly ............................550
Key number plate..................................116
Keyless entry................................ 122, 129
Mechanical key ...................................... 117
Replacing the battery ...................... 466
Warning buzzer................................... 123
Wireless remote control ...................116
Knee airbags ............................................... 41
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