Page 514 of 612

5148-2. Steps to take in an emergency
IS300h_EE(OM53C61E)
(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:
• The grille shutter system cannot operate; or
• The grille shutter is dirty or covered with ice
A buzzer also sounds.
→Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
(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.
(If equipped)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control system
Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
A buzzer also sounds.
→Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert) system
A buzzer also sounds.
→Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Wa r n i n g m e s s a g eDetails/Actions
IS300h_EE_OM53C61E.book 514 ページ 2014年5月20日 火曜日 午後5時40分
Page 518 of 612

5188-2. Steps to take in an emergency
IS300h_EE(OM53C61E)
(If equipped)
Indicates that all maintenance listed in the maintenance
schedule*1 corresponding to the current vehicle mile-
age is necessary.
(The indicator will not work properly unless the mainte-
nance data has been reset.)
→Perform the necessary maintenance. Please reset
the maintenance data after the maintenance is per-
formed (→P. 4 4 2 )
(If equipped)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
→Turn the high beam on and press the Automatic
High Beam switch again.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-crash brake system oper-
ation is stopped
→Tu r n t h e V S C o n . (→P. 2 8 8 )
(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 consumption. 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)
IS300h_EE_OM53C61E.book 518 ページ 2014年5月20日 火曜日 午後5時40分
Page 579 of 612

579
9 9-2. Customization
Vehicle specifications
IS300h_EE(OM53C61E)
■Tu r n s i g n a l l e v e r (→P. 222)
*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 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 in
the direction of flashing light.
■Automatic light control system (→P. 2 2 6 )
FunctionDefault settingCustomized setting
The number of times the
turn signal lights flash auto-
matically when the turn sig-
nal lever is moved to the first
position during a lane
change
*1
3
5
———O7
Off *2
Off*3
1234
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2O—OO
Time elapsed before head-
lights automatically turn off30 seconds
60 seconds
———O90 seconds
120 seconds
Welcome light illumination
controlOnOff———O
1234
IS300h_EE_OM53C61E.book 579 ページ 2014年5月20日 火曜日 午後5時40分
Page 580 of 612
5809-2. Customization
IS300h_EE(OM53C61E)
■Lexus parking assist-sensor*1 (→P. 2 6 7 )
*1: If equipped
*2: When Lexus parking assist-sensor is operating.
■Automatic air conditioning system (→P. 3 9 8 )
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 dis-
playedDisplay offO——O
1234
FunctionDefault settingCustomized setting
Switching between outside
air and recirculated air
mode linked to “AUTO”
switch operation
OnOffO——O
A/C Auto switch operationOnOffO——O
1234
IS300h_EE_OM53C61E.book 580 ページ 2014年5月20日 火曜日 午後5時40分
Page 585 of 612
585
Index
IS300h_EE(OM53C61E)
What to do if...
(Troubleshooting)................................586
Alphabetical index.................................590
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
IS300h_EE_OM53C61E.book 585 ページ 2014年5月20日 火曜日 午後5時40分
Page 588 of 612

588What to do if... (Troubleshooting)
IS300h_EE(OM53C61E)
●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 8 4 )
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or ON mode (the hybrid system is not operating) for a period of time.
(→P. 211)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (→P. 505)
●The parking brake indicator is on
Is the parking brake released? (→P. 2 2 4 )
Depending on the situation, other types of warning buzzer may also sound.
(→P. 503, 509)
●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. 9 6 )
To stop the alarm, turn the power switch to ON mode or start the hybrid system.The windows do not open or close by operating the power window
switches
The power switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds (if equipped)
IS300h_EE_OM53C61E.book 588 ページ 2014年5月20日 火曜日 午後5時40分
Page 599 of 612

599Alphabetical index
IS300h_EE(OM53C61E)
Inside door handle lights ....................... 411
Inside rear view mirror ........................ 178
Instrument panel light control ............ 112
Interior lights .............................................. 411
Wattage..................................................570
Intrusion sensor and tilt sensor .......... 99
ISOFIX rigid anchors............................. 69
Jack
Positioning the jack...........................438
Vehicle-equipped jack ...................459
Jack handle .............................................. 459
Jam protection function
Moon roof .............................................. 188
Power window ..................................... 185Keyless entry
Smart entry & start
system..........................................136, 143
Wireless remote control .......136, 143
Keys............................................................. 130
Battery-Saving Function ..................150
Electronic key........................................130
If the electronic key does not
operate properly ............................ 544
Key number plate ................................130
Keyless entry................................136, 143
Mechanical key ...................................... 131
Power switch ....................................... 209
Replacing the battery ........................ 471
Warning buzzer................................... 137
Wireless remote control ................. 130
Knee airbags ............................................. 43
J
K
IS300h_EE_OM53C61E.book 599 ページ 2014年5月20日 火曜日 午後5時40分
Page 600 of 612

600Alphabetical index
IS300h_EE(OM53C61E)
Lane Departure Alert (LDA)............ 261
Language
(multi-information display) ............... 117
LDA (Lane Departure Alert)............ 261
Lever
Auxiliary catch lever ......................... 437
Hood lock release lever................. 437
Shift lever..................................................216
Turn signal lever ................................. 222
Wiper lever........................................... 235
Lexus Display Audio system ............. 316
Lexus Display Audio controller ....... 318
Lexus parking assist-sensor ............. 267
License plate lights ............................... 226
Light switch ........................................... 226
Replacing light bulbs....................... 490
Light bulbs
Replacing .............................................. 480
Wattage..................................................570Lights
Automatic High Beam
system...................................................229
Fog light switch................................... 233
Follow me home system................. 227
Headlight switch .................................226
Illuminated entry system .................. 412
Interior light ............................................ 412
Interior lights list ..................................... 411
Personal lights....................................... 412
Replacing light bulbs .......................480
Trunk light ............................................... 146
Turn signal lever.................................. 222
Vanity lights.......................................... 420
Wattage ................................................. 570
Lock steering column ........................... 212
Low profile tire ...................................... 453
Luggage security system ....................145
Luggage under tray .............................. 418
L
IS300h_EE_OM53C61E.book 600 ページ 2014年5月20日 火曜日 午後5時40分