
4828-2. Steps to take in an emergency
IS250_EE(OM53C51E)
Master warning light
The master warning light also comes on or flashes in order to indicate that a message
is currently being displayed 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 any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional.
If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and perform
the following actions:
XExcept F SPORT models XF SPORT models (when the main
meter is in the center position)
XF SPORT models (when the main
meter is in the right-side position)
1
2

571Alphabetical index
IS250_EE(OM53C51E)
DAB (Digital Audio Broadcast) .......317
Daytime running light system ......... 207
Defogger
Front windshield .................................382
Outside rear view mirrors.............382
Rear window ........................................ 382
Differential ............................................... 545
Digital Audio Broadcast (DAB) .......317
Dimensions............................................. 538
Display
Drive information .................................. 101
Dynamic radar cruise control ..... 229
LDA (Lane Departure Alert)....... 242
Multi-information display ................ 100
Warning message.............................482
Distance ..................................................... 102
Do-it-yourself maintenance .............. 413
Door courtesy lights
Location................................................. 389
Wattage................................................. 548
Door lock
Doors .......................................................... 118
Smart entry & start system ............. 130
Wireless remote control ....................112Doors............................................................ 118
Automatic door locking and
unlocking system ............................. 122
Door glasses.......................................... 167
Door lock ................................................. 118
Open door warning buzzer ............119
Open door warning light .............. 478
Outside rear view mirrors .............. 163
Rear door child-protector ............. 122
Drive information .................................... 101
Drive info 1/Drive info 2 ......................102
Driver’s and front passenger’s
seat belt reminder light .................. 478
Driver’s seat position memory ........... 151
Driving ........................................................ 176
Break-in tips............................................177
Correct driving posture.....................34
Driving mode select switch.......... 263
Procedures............................................. 176
Winter drive tips ................................ 288
Dynamic radar cruise control ......... 229
D

573Alphabetical index
IS250_EE(OM53C51E)
First-aid kit storage belt .....................395
Flat tire
Vehicles with a spare tire ..............496
Vehicles with emergency
tire puncture repair kit .................507
Floor mats ................................................... 32
Fluid
Automatic transmission ..................544
Brake........................................................545
Washer ................................................... 426
Fog lights ................................................... 213
Replacing light bulbs..........................461
Switch ........................................................ 213
Follow me home system .................... 207
Footwell light ......................................... 389
Wattage................................................. 548
Front fog lights ........................................ 213
Replacing light bulbs..........................461
Switch ........................................................ 213
Front personal lights ............................390
Wattage................................................. 548
Front position lights..............................206
Light switch ...........................................206
Replacing light bulbs..........................461Front seats ................................................. 147
Adjustment ............................................. 147
Cleaning ................................................408
Correct driving posture.....................34
Driving position memory ..................151
Head restraints ..................................... 156
Power easy access system...............151
Seat heaters..........................................388
Seat position memory .........................151
Seat ventilators ...................................388
Front turn signal lights ........................ 203
Replacing light bulbs .............451, 453
Turn signal lever................................. 203
Wattage ................................................. 548
Fuel ............................................................... 221
Capacity................................................. 540
Fuel gauge ............................................... 95
Fuel pump shut off system ............ 475
Information............................................ 549
Refueling .................................................. 221
Type ............................................... 221, 540
Warning light....................................... 478
F

575Alphabetical index
IS250_EE(OM53C51E)
Identification
Engine......................................................539
Vehicle ....................................................539
Ignition switch (engine switch) ......... 192
Illuminated entry system ....................390
Indicators..................................................... 92
Initialization
Moon roof ............................................... 172
Multi-information display ................ 102
Power windows................................... 168
Tire pressure warning
system ..................................................428
Inside door handle lights ................... 389
Inside rear view mirror .......................... 161
Instrument panel light control ............98
Interior lights ...........................................390
Wattage................................................. 548
Intrusion sensor and tilt sensor ..........86
ISOFIX rigid anchors............................. 67
Jack
Positioning the jack.............................416
Vehicle-equipped jack ...... 497, 508
Jack handle .................................. 497, 508
Jam protection function
Moon roof .................................................171
Power window ..................................... 168Keyless entry
Smart entry & start
system........................................... 118, 125
Wireless remote control ........ 118, 125
Keys............................................................... 112
Battery-Saving Function .................... 131
Electronic key.......................................... 112
Engine switch ........................................ 192
If the electronic key does not
operate properly ............................ 524
Key number plate .................................. 112
Keyless entry................................. 118, 125
Mechanical key ...................................... 113
Replacing the battery .......................442
Warning buzzer.....................................119
Wireless remote control ................... 112
Knee airbags ............................................... 41
I
J
K

577Alphabetical index
IS250_EE(OM53C51E)
Maintenance
Do-it-yourself maintenance ...........413
Maintenance data............................. 538
Maintenance requirements ............. 411
Malfunction indicator lamp .............. 476
Master warning light ........................... 478
Meter
Changing the display.......................... 97
Indicators .................................................. 92
Instrument panel light control......... 98
Meters ........................................................ 95
Multi-information display ................ 100
Warning lights .......................................... 91
Mirrors
Inside rear view mirror....................... 161
Outside rear view mirror
defoggers........................................... 382
Outside rear view mirrors...............163
Vanity mirrors..................................... 398MirrorLink........................................... 369
MMS (Multimedia messaging
service) .................................................. 353
Moon roof .................................................170
Door lock linked moon roof
operation................................................ 171
Jam protection function ..................... 171
Operation ............................................... 170
MP3 disc....................................................319
Multi-information display ................... 100
Audio system-linked......................... 100
Drive information.................................. 101
Dynamic radar cruise
control ..................................................229
LDA (Lane Departure Alert) .......242
Navigation system-linked .............. 100
Settings ..................................................... 102
Switching the display .......................... 101
Warning message ............................ 482
M
*: For vehicles with a navigation or multimedia system, refer to
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

578Alphabetical index
IS250_EE(OM53C51E)
Navigation system*
Needle ....................................................... 102
Odometer................................................... 95
Oil
Differential oil .......................................545
Engine oil .................................................541
Opener
Hood ..........................................................415
Trunk ..........................................................125
Outer foot lights
Location................................................. 389
Replacing light bulbs........................ 457
Wattage................................................. 548
Outside rear view mirrors ................. 163
Adjusting and folding.........................163
BSM (Blind Sport Monitor).......... 278
Linked mirror function
when reversing................................. 165
Mirror position memory.................... 151
Outside rear view mirror
defoggers .......................................... 382
Outside temperature ............................. 95
Overheating ............................................ 531Paddle shift switches .............................199
Parking assist sensors..........................247
Parking brake......................................... 205
PCS
(Pre-Crash Safety system).............. 271
Function.................................................... 271
PCS OFF switch................................. 272
Warning light........................................ 477
Personal lights........................................ 390
Wattage ................................................. 548
Pollen removal mode.......................... 382
Pop-up display.........................................102
Pop Up Hood............................................ 54
Power easy access system .................. 151
Power outlet ........................................... 399
Power steering (Electric power
steering system)................................. 265
Warning light........................................ 477
Power windows ....................................... 167
Door lock linked window
operation.............................................. 169
Jam protection function ...................168
Operation ............................................... 167
Window lock switch .......................... 167
Pre-Crash Safety system (PCS) ...... 271
Function.................................................... 271
PCS OFF switch................................. 272
Warning light........................................ 477
N
O
P

583Alphabetical index
IS250_EE(OM53C51E)
Power window switches ..................167
Rear sunshade switch..................... 400
Rear window and outside rear
view mirror defoggers
switch....................................................382
Seat heater switches ....................... 388
Seat ventilator switches ................. 388
Snow mode switch ............................ 198
Talk switch .............................................356
Telephone switches..........................356
Tilt and telescopic steering
control switch .................................... 159
Tire pressure warning reset
switch.................................................... 429
Trunk opener switch ..........................125
Trunk opener main switch ..............126
Vehicle-to-vehicle distance
button ................................................... 232
VSC OFF switch ............................... 267
Window lock switch........................... 167
Windshield wiper de-icer
switch....................................................383
Windshield wipers
and washer switch ...........................215Tachometer ............................................... 95
Tail lights................................................... 206
Light switch........................................... 206
Replacing light bulbs ......................... 461
Talk switch ............................................... 356
Telephone switches ............................. 356
Theft deterrent system
Alarm .......................................................... 83
Double locking system...................... 82
Engine immobilizer system .............. 77
Intrusion sensor and tilt sensor...... 86
Tire inflation pressure ......................... 436
Maintenance data ............................. 546
Tire inflation pressure display
function ............................................... 428
Warning light....................................... 478T

586Alphabetical index
IS250_EE(OM53C51E)
Warning buzzers
Approach warning............................ 234
Brake system ....................................... 476
Downshifting ........................................ 202
Driver’s and front
passenger’s seat belt
reminder ............................................. 478
Lexus parking assist-sensor ......... 247
Open door............................................ 478
Pre-crash braking ............................... 271
Rear passengers’ seat belt
reminder ............................................. 478Warning lights ............................................ 91
ABS ........................................................... 477
Automatic headlight leveling
system................................................... 477
Brake system ....................................... 476
Charging system ............................... 476
Driver’s and front
passenger’s seat belt
reminder light................................... 478
Electric power steering
system................................................... 477
Low fuel level....................................... 478
Malfunction indicator lamp .......... 476
Master warning light ........................ 478
Open door ........................................... 478
Pre-crash safety system .................. 477
Rear passengers’ seat belt
reminder lights ................................ 478
Slip indicator ......................................... 477
SRS ........................................................... 476
Tire pressure........................................ 478
W