warning Lexus IS250 2014 VOICE COMMAND SYSTEM OPERATION / LEXUS 2014 IS250,IS350 (OM53758U) Manual Online

550What to do if... (Troubleshooting)
IS350/250_U (OM53758U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 4 5 6 )
●The parking brake indicator is on
Is the parking brake released? ( P. 1 7 2 )
Depending on the situation, other type s of warning buzzer may also sound.
( P. 4 5 5 , 4 6 1 )

●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 7 1 )
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. ( P. 4 6 1 )
●When a warning light turns on or a warning message is displayed, refer to
P. 4 5 5 , 4 6 1 . A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

552
IS350/250_U (OM53758U)Alphabetical index
Alphabetical index
A/C ............................................................ 346
Air conditioning filter........................425
Automatic air conditioning system ..................................................346
AAC disc ................................................. 287
ABS (Anti-lock Brake System)....... 234 Function .................................................. 234
Warning light ...................................... 455
Accent color.............................................. 88
Adaptive Variable Suspension system ........................... 235
Air conditioning filter .......................... 425
Air conditioning system ..................... 346 Air conditioning filter........................425
Automatic air conditioning system ..................................................346 Airbags .........................................................36
Airbag operating conditions .......... 44
Airbag precautions for your child ....................................... 39
Correct driving posture .................... 28
Curtain shield airbag operating conditions ....................... 44
Curtain shield airbag precautions ............................................ 41
Front passenger occupant classification system..........................47
General airbag precautions ........... 39
Locations of airbags............................ 36
Modification and disposal of airbags............................................... 43
Side airbag operating conditions ............................................. 44
Side airbag precautions .................... 39
Side and curtain shield airbags operating conditions ....................... 44
Side and curtain shield airbags precautions ......................... 39
SRS airbags ............................................. 36
SRS warning light ..............................455
A

553Alphabetical index
IS350/250_U (OM53758U)
Alarm .............................................................. 71
Anchor brackets ...................................... 58
Antennas (smart access system with push-button start) ....................... 114
Anti-lock Brake System (ABS)....... 234 Function .................................................. 234
Warning light ...................................... 455
Approach warning (dynamic radar cruise control) ......................... 201
Armrest .................................................... 367
Assist grip ................................................ 369
Audio input.............................................. 266
Audio system.......................................... 260 Audio input............................................266
AUX port/USB port........................266
Bluetooth
® audio.............................. 309
CD player ..............................................287
iPod ...........................................................293
MP3/WMA/AAC disc .................287
Optimal use .......................................... 274
Portable music player ..................... 300
Radio ......................................................... 281
Steering wheel audio switch ........265
USB memory .......................................296 Automatic headlight leveling
system ...................................................... 174 Warning light ....................................... 456
Automatic High Beam ......................... 176
Automatic light control system ...................................................... 173
Automatic transmission....................... 164 If the shift lever cannot be shifted from P ............ 487
M mode .................................................... 167
Paddle shift switches..........................166
AUX port .................................................266
Average fuel economy ..........................87
Average vehicle speed..........................87

554Alphabetical index
IS350/250_U (OM53758U)
Back-up lightsReplacing light bulbs ......................... 441
Wattage ................................................. 509
Battery.......................................................408 Battery checking ............................... 408
If the vehicle battery is discharged.................................... 490
Preparing and checking before winter ....................................................254
Warning light ...................................... 455
Bluetooth
®
Audio system ...................................... 309
Hands-free system (for cellular phone) ........................... 311
Bottle holders ......................................... 360
Brake Fluid...........................................................407
Parking brake......................................... 172
Warning light ...................................... 455
Brake assist ............................................. 234
Break-in tips.............................................. 147
Brightness control Instrument panel light control .........84
BSM (Blind Spot Monitor)................ 246 Care................................................384, 387
Aluminum wheels ..............................384
Exterior ...................................................384
Interior ..................................................... 387
Seat belts............................................... 388
Cargo capacity ....................................... 156
Cargo hooks ...........................................362
CD player.................................................287
Chains ....................................................... 255
Child restraint system ............................54 Booster seats, definition .................... 55
Booster seats, installation ................. 64
Convertible seats, definition ........... 55
Convertible seats, installation........... 61
Front passenger occupant classification system..........................47
Infant seats, definition.......................... 55
Infant seats, installation......................... 61
Installing CRS with LATCH anchors ..................... 59
Installing CRS with seat belts ........... 61
Installing CRS with top tether strap......................... 65
BC

556Alphabetical index
IS350/250_U (OM53758U)
Daytime running light system ............ 174
DefoggerFront windshield ................................ 350
Outside rear view mirrors ............ 350
Rear window ....................................... 350
Differential Front differential ................................. 505
Rear differential .................................. 505
Dimension ...............................................500
Dinghy towing......................................... 158
Display Drive information .................................. 87
Dynamic radar cruise control....... 196
LDA (Lane Departure Alert) ...... 209
Multi-information display ..................86
Warning message .............................. 461
Distance ...................................................... 88
Do-it-yourself maintenance ............. 397
Door courtesy lights Location ................................................. 356
Wattage ................................................. 509 Doors ..........................................................103
Automatic door locking and unlocking system ................... 106
Door glasses .......................................... 137
Door lock................................................ 105
Open door warning buzzer ..........104
Open door warning light .............. 456
Outside rear view mirrors .............. 134
Rear door child-protector ............. 106
Drive information .....................................87
Drive info 1/Drive info 2 ....................... 88
Driver’s seat position memory.......... 123
Driving ........................................................ 146 Break-in tips ........................................... 147
Correct driving posture .................... 28
Driving mode select switch ............ 231
Procedures .............................................146
Winter drive tips ................................ 254
Dynamic radar cruise control ........... 196
D

557Alphabetical index
IS350/250_U (OM53758U)
E-mail...........................................................319
Eco drive mode .......................................231
Eco Driving Indicator............................. 90
Eco Driving Indicator Light ................. 88
EDR (Event data recorder) ...................10
Elapsed time .............................................. 87
Electric Power Steering (EPS) ....... 235Function ..................................................235
Warning light ...................................... 455
Electronic key ........................................... 98 Battery-saving function ...................... 115
If the electronic key does not operate properly............................ 488
Replacing the battery ....................... 427 Emergency, in case of
If the electronic key does not operate properly ....... 488
If the engine will not start ...............485
If the shift lever cannot be shifted from P ............ 487
If the vehicle battery is discharged.........................................490
If the warning buzzer sounds .................................................455
If the warning light turns on ..........455
If the warning message is displayed ..........................................461
If you have a flat tire .......................... 475
If you think something is wrong .............................................. 453
If your vehicle becomes stuck...................................................... 497
If your vehicle has to be stopped in an emergency.......... 447
If your vehicle needs to be towed ....................................... 448
If your vehicle overheats ................ 494
E

558Alphabetical index
IS350/250_U (OM53758U)
Emergency flashers ............................. 446
Engine ....................................................... 502Accessory mode................................. 160
Compartment....................................... 401
Engine switch ........................................ 159
Hood ....................................................... 399
How to start the engine ................... 159
Identification number ........................ 501
If the engine will not start............... 485
Ignition switch (engine switch)..... 159
Overheating .........................................494
Engine coolant....................................... 405 Capacity ................................................ 504
Checking............................................... 405
Preparing and checking before winter ....................................254
Engine coolant temperature gauge ..........................................................81
Engine immobilizer system ................. 69
Engine oil ................................................. 402 Capacity ................................................ 502
Checking................................................402
Preparing and checking before winter ....................................254
Engine switch .......................................... 159
Enhanced VSC ..................................... 234
EPS (Electronic Power Steering) ........ 235 Function ..................................................235
Warning light ...................................... 455
Event data recorder (EDR) ...................10 First-aid kit storage belt......................362
Flat tire .......................................................475
Floor mats....................................................26
Fluid
Automatic transmission ................. 505
Brake....................................................... 506
Washer .....................................................410
Fog lights..................................................... 181 Replacing light bulbs ....................... 434
Switch ......................................................... 181
Wattage ................................................ 509
Footwell light .......................................... 356 Wattage ................................................ 509
Front passenger occupant classification system ............................ 47
Front personal lights ............................357 Wattage ................................................ 509
Front seats ................................................. 120 Adjustment..............................................120
Cleaning................................................. 387
Correct driving posture .................... 28
Driving position memory................. 123
Head restraints ..................................... 127
Power easy access system ............. 124
Seat heaters ..........................................355
Seat position memory ....................... 123
Seat ventilators....................................355F

559Alphabetical index
IS350/250_U (OM53758U)
Front turn signal lights ..........................170Replacing light bulbs ........... 436, 438
Turn signal lever .................................. 170
Wattage ................................................. 509
Fuel .............................................................. 188 Capacity ................................................ 502
Fuel gauge ................................................. 81
Fuel pump shut off system.............454
Information ............................................. 510
Refueling..................................................188
Type .............................................. 188, 502
Warning light ...................................... 456
Fuel consumption Average fuel economy ...................... 87
Current fuel consumption ................ 87
Fuel filler door ......................................... 188 If the fuel filler door cannot be opened .......................... 190
Refueling..................................................188
Fuel gauge ....................................................81
Fuel pump shut off system................. 454
Fuses .......................................................... 429
Garage door opener .......................... 370
Gauges ..........................................................81
Gear positions ........................................ 168
Glove box ................................................ 359
Glove box light ...................................... 359 Hands-free system
(for cellular phone).............................. 311
HD Radio
® system ................................ 281
Head restraints........................................ 127
Headlights ................................................. 173 Discharge headlights precautions ....................................... 443
Light switch............................................. 173
Replacing light bulbs ....................... 442
Wattage ................................................ 509
Headlights cleaner ................................ 182
Heaters Air conditioning system ................. 346
Heated steering wheel ................... 354
Outside rear view mirrors ............350
Seat heaters ..........................................355
Hill-start assist control ........................234
Hood ......................................................... 399 Open ....................................................... 399
Hooks Cargo hooks ....................................... 362
Coat hooks ........................................... 369
Retaining hooks (floor mat)............. 26
Horn.............................................................. 131
G
H

560Alphabetical index
IS350/250_U (OM53758U)
I/M test ..................................................... 396
IdentificationEngine ....................................................... 501
Vehicle ..................................................... 501
Ignition switch (engine switch)......... 159
Illuminated entry system .................... 357
Immobilizer system................................. 69
Indicators .................................................... 78
Initialization Maintenance.......................................... 391
Moon roof ...............................................142
Multi-information display ................. 88
Power windows ................................... 138
Tire pressure warning system..................................412
Initiators (tire pressure warning system).................................. 418
Inside door handle lights ................... 356
Inside rear view mirror .........................132
Instrument panel light control ............ 84
Interior lights........................................... 357 Wattage ................................................. 509
Intuitive parking assist........................... 214
Jack Positioning a floor jack ................... 400
Vehicle-equipped jack ................... 476
Jack handle .................................................. 476
Jam protection function Moon roof ................................................ 141
Power windows ................................... 138 Keyless entry
Smart access system with push-button start.........103, 109
Wireless remote control.......103, 109
Keys .............................................................. 98 Battery-saving function ..................... 115
Electronic key ......................................... 98
Engine switch ........................................159
If the electronic key does not operate properly ....... 488
Key number plate ................................. 98
Keyless entry ........................................... 98
Mechanical key...................................... 99
Replacing the battery .......................427
Warning buzzer...................................104
Wireless remote control................... 98
Knee airbags ..............................................36
I
J
K

562Alphabetical index
IS350/250_U (OM53758U)
MaintenanceDo-it-yourself maintenance..........397
General maintenance .....................393
Maintenance data ............................. 500
Maintenance requirements.......... 390
Maintenance system ..............................88
Malfunction indicator lamp .............. 455
Master warning light ........................... 456
Meter Changing the display..........................83
Indicators................................................... 78
Instrument panel light control .........84
Meters.......................................................... 81
Multi-information display ..................86
Warning lights ........................................ 77
Micro dust and pollen filter .............. 349
Mirrors Inside rear view mirror ......................132
Outside rear view mirror defoggers .......................................... 350
Outside rear view mirrors .............. 134
Vanity mirrors ..................................... 365 MMS (Multimedia messaging
service).................................................... 319
Moon roof ................................................. 140 Door lock linked moon roof operation........................141
Jam protection function......................141
Operation................................................140
MP3 disc ..................................................287
Multi-information display..................... 86 Audio system-linked ........................... 86
Drive information.................................. 87
Dynamic radar cruise control .......196
LDA (Lane Departure Alert).......209
Navigation system-linked ................ 86
Settings ......................................................88
Switching the display .......................... 87
Warning message...............................461
Navigation system
*
Needle ......................................................... 88
Noise from under vehicle ........................8
M
N