Page 542 of 612

5428-2. Steps to take in an emergency
IS300h_EE(OM53C61E)
One of the following may be the cause of the problem:
●One or both of the 12-volt battery terminals may be disconnected.
●The 12-volt battery may be discharged. (→P. 5 4 7 )
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional if the problem cannot be repaired, or if repair procedures are
unknown.
When the hybrid system does not start, the following steps can be used as an
interim measure to start the hybrid system if the power switch is functioning nor-
mally:
Set the parking brake.
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while depressing the
brake pedal firmly.
Even if the hybrid system can be started using the above steps, the system may
be malfunctioning. Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
The interior lights and headlights do not turn on, or the horn does not
sound.
Emergency start function
1
2
3
4
IS300h_EE_OM53C61E.book 542 ページ 2014年5月20日 火曜日 午後5時40分
Page 570 of 612
5709-1. Specifications
IS300h_EE(OM53C61E)
Light bulbs*1
Light bulbsWTy p e
Exterior
Discharge headlights*235A
Front turn signal lights21B
Rear turn signal lights21B
Back-up lights16C
Outer foot lights5C
Interior
Door courtesy lights5C
Vanity lights8C
Interior light8C
Personal lights8C
Footwell lights3.8C
Trunk light*25C
A: D4S discharge bulbs
B: Wedge base bulbs (amber)
C: Wedge base bulbs (clear)
*1: Light bulbs not listed in this table are LED bulbs.
*2: If equipped
IS300h_EE_OM53C61E.book 570 ページ 2014年5月20日 火曜日 午後5時40分
Page 581 of 612
581
9 9-2. Customization
Vehicle specifications
IS300h_EE(OM53C61E)
■Illumination (→P. 4 1 1 )
FunctionDefault settingCustomized setting
Time elapsed before the
interior lights turn off15 seconds
Off
O—OO7. 5 s e c o n d s
30 seconds
Operation after the power
switch is turned offOnOff———O
Operation when the doors
are unlockedOnOff———O
Operation when you
approach the vehicle with
the electronic key on your
person
OnOff———O
Inside door handle lightsOnOff———O
Time elapsed before the
outer foot lights turn off15 seconds
Off
O—OO7. 5 s e c o n d s
30 seconds
Operation of the outer foot
lights when you approach
the vehicle with the elec-
tronic key on your person
OnOff———O
Operation of the outer foot
lights when the doors are
unlocked with the power
door lock switch
OnOff———O
1234
IS300h_EE_OM53C61E.book 581 ページ 2014年5月20日 火曜日 午後5時40分
Page 593 of 612

593Alphabetical index
IS300h_EE(OM53C61E)
Child-protectors ................................... 140
Cleaning ....................................... 426, 430
Aluminum wheels .............................. 427
Exterior.................................................... 426
Interior .....................................................430
Seat belts..................................................431
Clock .........................................................420
Coat hooks .............................................. 424
Condenser ............................................. 446
Console box ............................................ 414
Coolant ..................................................... 444
Capacity ................................................ 565
Checking ............................................... 444
Preparing and checking
before winter ....................................... 311
Cooling system...................................... 444
Engine overheating ..........................552
Hybrid system overheating ..........552
Cruise control
Cruise control ..................................... 245
Dynamic radar cruise control ..... 249
Cup holders ............................................. 415
Current fuel consumption.................... 116
Curtain shield airbags ........................... 43
Customizable features ....................... 574DAB (Digital Audio Broadcast) ..... 339
Daytime running light system ..........227
Defogger
Front windshield................................. 404
Outside rear view mirrors ............ 404
Rear window........................................ 404
Differential............................................... 567
Digital Audio Broadcast (DAB) ..... 339
Dimensions ............................................. 560
Display
Drive information...................................116
Dynamic radar cruise control ..... 249
LDA (Lane Departure Alert) .......262
Multi-information display...................115
Warning message ............................509
Distance ...................................................... 117
Do-it-yourself maintenance ............. 435
Door courtesy lights
Location ..................................................... 411
Wattage ................................................. 570
Door lock
Doors......................................................... 136
Smart entry & start system ............. 149
Wireless remote control ................. 130D
IS300h_EE_OM53C61E.book 593 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