
5228-2. Steps to take in an emergency
IS350/300/200t_U (OM53D76U)
Master warning light
The master warning light also comes on or flashes in order to indicate that a
message is currently being displaye d on the multi-information display.
Multi-information display
If any of the warning lights come on again after the following actions have been
performed, contact your Lexus dealer.
If a warning message is displayed
If a warning is shown on the multi-info rmation display, stay calm and perform
the following actions:
Except F SPORT modelsF SPORT models (when the main
meter is in the center position)
F SPORT models (when the main
meter is in the right-side position)
1
2

5348-2. Steps to take in an emergency
IS350/300/200t_U (OM53D76U)
Indicates that the engine switch is turned off or turned to
ACCESSORY mode and the driver’s door is opened
while the lights are turned onA buzzer also sounds.
→ Turn the lights off.
(If equipped)
Indicates that the moon roof is not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
→ Close the moon roof.
Indicates that the windows are not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
→ Close all the windows.
(If equipped)
Indicates that the windows and the moon roof are not
fully closed (with the engine switch off, and the driver’s
door open)
A buzzer also sounds.
→ Close all the windows and the moon roof.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)

5388-2. Steps to take in an emergency
IS350/300/200t_U (OM53D76U)
(If equipped)
Indicates that the engine oil is scheduled to be changed.
(The indicator will not work properly unless the message
has been reset.)
→Check the engine oil, and change if necessary.
After changing the engine oil, the message should
be reset.
(If equipped)
Indicates that all maintenance according to the driven
distance on the maintenance schedule* should be per-
formed soon.
→ Comes on approximately 4500 miles (7200 km)
after the message has been reset.
If necessary, perform maintenance. Please reset
the message after the maintenance is performed.
(→ P. 454)
(If equipped)
Indicates that the engine oil should be changed. (After
the engine oil is changed and the message has been
reset.)
→ Check and change the engine oil, and oil filter by
your Lexus dealer. After chan ging the engine oil, the
message should be reset. ( →P. 468)
(If equipped)
Indicates that all maintenanc e is required to correspond
to the driven distance on the maintenance schedule
*.
→ Comes on approximately 5000 miles (8000 km)
after the message has been reset. (The indicator will
not work properly unless the message has been
reset.)
Perform the necessary maintenance. Please reset
the message after the maintenance is performed.
(→ P. 454)
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.
Warning messageDetails/Actions

632Alphabetical index
IS350/300/200t_U (OM53D76U)
Back-up lightsReplacing light bulbs ....................... 502
Battery....................................................... 473 Battery checking ................................ 473
If the vehicle battery is discharged.....................................562
Preparing and checking before winter ....................................................294
Warning light ........................................ 516
Bluetooth
®
Audio system ...................................... 358
Hands-free system (for cellular phone) ....................... 359
Bottle holders ........................................... 417
Brake Fluid........................................................... 472
Parking brake........................................ 186
Warning light ........................................ 516
Brake assist ............................................. 289
Break-in tips............................................. 159
Brightness control Instrument panel light control ......... 82
BSM (Blind Spot Monitor)................ 273 Blind Spot Monitor function ......... 277
Rear Cross Traffic Alert function ............................................... 280 Care................................................ 446, 450
Aluminum wheels .............................. 447
Exterior ................................................... 446
Interior .....................................................450
Seat belts..................................................451
Cargo capacity ....................................... 169
Cargo hooks ............................................ 419
CD player................................................ 332
Chains ....................................................... 295
Child restraint system ........................... 53 Booster seats, definition .................... 54
Booster seats, installation ................. 63
Convertible seats, definition ........... 54
Convertible seats, installation......... 60
Front passenger occupant classification system......................... 46
Infant seats, definition.......................... 54
Infant seats, installation....................... 60
Installing CRS with LATCH anchors ..................... 58
Installing CRS with seat belts ......... 60
Installing CRS with top tether strap......................... 64
BC

634Alphabetical index
IS350/300/200t_U (OM53D76U)
Daytime running light system ........... 190
DefoggerOutside rear view mirrors ............ 406
Rear window ....................................... 406
Windshield ........................................... 406
Differential Front differential ................................. 582
Rear differential .................................. 582
Dimension ............................................... 574
Dinghy towing........................................... 171
Display Drive information ..................................89
Dynamic radar cruise control......236
LDA (Lane Departure Alert with steering control) .........231
Multi-information display ..................84
Warning message ............................. 522
Do-it-yourself maintenance ............. 460
Door courtesy lights Location ....................................................412
Wattage ................................................. 586 Doors ............................................................. 111
Automatic door locking and unlocking system ......................114
Door lock...................................................113
Open door warning buzzer ............112
Open door warning light ............... 518
Outside rear view mirrors ..............146
Rear door child-protector ................114
Side windows ........................................149
Drive information .................................... 89
Drive-start control ........................ 159, 181
Driver’s and front passenger’s seat belt reminder light.....................518
Driver’s seat position memory.......... 134
Driving ........................................................158 Break-in tips ...........................................159
Correct driving posture .................... 28
Driving mode select switch ..........285
Procedures ............................................ 158
Winter drive tips ................................ 294
Dynamic radar cruise control ..........236
D

636Alphabetical index
IS350/300/200t_U (OM53D76U)
First-aid kit storage belt .......................419
Flat tire ...................................................... 546
Floor mats ................................................... 26
FluidAutomatic transmission ................. 582
Brake ....................................................... 583
Washer ...................................................475
Footwell light ............................................ 412 Wattage ................................................. 586
Front passenger occupant classification system ............................ 46
Front personal lights..............................413 Wattage ................................................. 586
Front seats ................................................ 130 Adjustment ............................................. 130
Cleaning ................................................ 450
Correct driving posture .................... 28
Driving position memory ................ 134
Head restraints ..................................... 139
Power easy access system ............ 134
Seat heaters ............................................. 411
Seat position memory....................... 134
Seat ventilators ....................................... 411
Front turn signal lights ......................... 184 Replacing light bulbs ....................... 499
Turn signal lever .................................. 184
Wattage ................................................. 586 Fuel............................................................. 203
Capacity................................................. 576
Fuel gauge ................................................79
Fuel pump shut off system ............. 515
Information............................................ 587
Refueling ................................................ 203
Type.......................................................... 576
Warning light ........................................ 518
Fuel consumption Average fuel economy ......................... 100, 101, 103
Current fuel consumption.................. 100, 101, 103
Fuel filler door........................................ 203 If the fuel filler door cannot be opened .........................205
Refueling ................................................ 203
Fuel gauge .................................................. 79
Fuel pump shut off system .................. 515
Fuses.......................................................... 495
Garage door opener...........................426
Gauges......................................................... 79
Gear positions.......................................... 181
Glove box ................................................. 416
Glove box light........................................ 416
F
G

637Alphabetical index
IS350/300/200t_U (OM53D76U)
Hands-free system (for cellular phone) ........................... 359
HD Radio
® system .............................. 326
Head restraints ........................................139
Headlights ................................................ 188 AFS (Adaptive Front-lighting System) ................................................. 189
Light switch ............................................188
Replacing light bulbs ....................... 502
Headlights cleaner.................................196
Heaters Air conditioning system ................... 401
Heated steering wheel ..................... 410
Outside rear view mirrors ............ 406
Seat heaters ............................................. 411
Hill-start assist control ........................ 289
Hood .......................................................... 462 Open ........................................................462
Hooks Cargo hooks ......................................... 419
Coat hooks ...........................................425
Retaining hooks (floor mat) ............. 26
Horn .............................................................143 I/M test ..................................................... 459
Identification
Engine ..................................................... 576
Vehicle .................................................... 575
Ignition switch (engine switch) ......... 172
Illuminated entry system ..................... 413
Immobilizer system ................................ 68
Indicators ..................................................... 76
Initialization Engine oil maintenance data .......468
Maintenance ........................................ 454
Moon roof .............................................. 155
Multi-information display.................. 92
Power windows................................... 150
Tire pressure warning system ............................... 478
Initiators (tire pressure warning system) ................................ 484
Inside door handle lights ..................... 412
Inside rear view mirror......................... 144
Instrument panel light control ............ 82
Intercooler ................................................ 471
Intercooler coolant...............................469 Capacity.................................................. 581
Checking ............................................... 469
Preparing and checking before winter .................................... 294
Interior lights ............................................ 413 Wattage ................................................ 586
Intuitive parking assist ........................ 248
HI

639Alphabetical index
IS350/300/200t_U (OM53D76U)
License plate lights................................ 188Light switch ............................................188
Replacing light bulbs ....................... 502
Light bulbs Replacing .............................................. 498
Wattage ................................................. 586
Lights Headlight switch..................................188
Illuminated entry system .................. 451
Interior light ............................................ 413
Interior lights list ....................................412
Personal lights ...................................... 413
Replacing light bulbs ....................... 498
Trunk light ................................................. 119
Turn signal lever .................................. 184
Vanity lights ............................................421
Wattage ................................................. 586
Lock steering column ........................... 174
Low profile tire....................................... 479
Luggage security system...................... 118 Maintenance
Do-it-yourself maintenance .........460
General maintenance ..................... 456
Maintenance data.............................. 574
Maintenance requirements .......... 453
Malfunction indicator lamp ................ 516
Master warning light .............................518
Meter Changing the display ......................... 82
Indicators ...................................................76
Instrument panel light control ........ 82
Meters .........................................................79
Multi-information display.................. 84
Warning lights........................................ 75
Micro dust and pollen filter .............. 405
Mirrors Inside rear view mirror...................... 144
Outside rear view mirror defoggers...........................................406
Outside rear view mirrors ..............146
Vanity mirrors ....................................... 421
MMS (Multimedia messaging service)...................................................367
Mobile Assistant ................................... 307M