
5
When trouble arises
505
5-2. Steps to take in an emergency
IS350/250_U
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked functions
Use the mechanical key built in to the electronic keys to operate the
doors. (→P. 2 9 )
Doors Remove the cover on the driver’s
door handle.
Locks all the doors
Closes the windows and moon
roof (turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows and moon
roof (turn and hold)
If communication between the electronic key and vehicle is interrupted
(→ P. 37) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors and trunk can be
opened or the engine can be started by following the procedure below.
STEP1
STEP2

554
6-2. Customization
IS350/250_U
Wi re le ss
remote con-
trol
(
→P. 4 5 )
Time elapsed before auto-
matic door lock function is
activated if door is not
opened after being
unlocked
60 seconds
30 seconds
120 seconds
Operation signal
(Emergency flashers)OnOff
Operation signal
(Buzzer) OnOff
Door lock buzzerOnOff
Trunk unlocking functionOnOff
Trunk unlocking operationPush and holdPush twice
One short push
Panic functionOnOff
ItemFunctionDefault settingCustomizedsetting

579
Alphabetical index
IS350/250_U
Back-up lightsWattage ................................................. 536
Battery Checking ...............................................408
If the vehicle has a discharged battery................................................... 510
Preparing and checking before winter .................................... 206
Bluetooth
® audio* ............................... 276
Bluetooth® phone*..............................294
Bottle holders ........................................ 334
Brake Fluid .......................................................... 406
Parking brake ........................................155
Brake assist ............................................... 196
Care Exterior ................................................... 378
Interior..................................................... 382
Seat belts ............................................... 383
Cargo capacity ..................................... 202
Cargo hooks ...........................................357
CD changer* ..........................................237
CD player* ..............................................237
Chains....................................................... 206 Child restraint system
Booster seats, definition .................... 114
Booster seats, installation ................. 121
Convertible seats, definition ............ 114
Convertible seats, installation ......... 121
Front passenger occupant
classification system ....................... 109
Infant seats, definition .......................... 114
Infant seats, installation ....................... 121
Installing CRS with LATCH
anchors ................................................... 119
Installing CRS with seat belts .......... 121
Installing CRS with top straps........124
Child safety
Airbag precautions ............................ 104
Battery precautions .................410, 512
Child restraint system ......................... 114
Child-protectors ................................... 49
How your child should wear the seat belt ..........................................68
Installing child restraints..................... 118
Moon roof precautions......................86
Power window lock switch ............. 80
Power window precautions ............ 82
Removed electronic key battery precautions .......................434
Seat belt comfort guide .....................66
Seat belt extender precautions...... 70
Seat belt precautions ..........................69
Seat heater precautions..... 347, 350
Trunk precautions................................. 54
B
C
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

584
Alphabetical index
IS350/250_U
MaintenanceDo-it-yourself ma intenance ...........391
General maintenance ..................... 387
Maintenance data..............................520
Maintenance requirements ..........385
Manual transmission............................. 152
Meter Instrument panel light control ...... 159
Meters ...................................................... 158
Micro dust and pollen filter* ............220
Mirrors Inside rear view mirror....................... 75
Side mirror heater ............................. 224
Side mirrors .............................................. 77
Vanity mirrors...................................... 337
Moon roof ...................................................83
MP3 disc* ................................................ 244
Multi-information display ....................167
Noise from under vehicle...................... 19
Odometer................................................. 158
Oil Engine oil ................................................ 401
Opener Fuel filler door......................................... 87
Hood........................................................ 394
Trunk ........................................................... 52 Outer foot lights
Outer foot lights................................. 325
Wattage ................................................. 536
Outside rear view mirrors
Adjusting and folding .......................... 77
Mirror position memory ................... 58
Outside temperature display ........... 168
Overhead console ............................... 332
Overhead courtesy lights Overhead courtesy lights ............. 325
Wattage ................................................. 536
Overheating, Engine ........................... 513
Parking assist sensors*........................ 190
Parking brake.......................................... 155
Parking lights
Replacing light bulbs ......................... 451
Switch.........................................................172
Wattage ................................................. 536
Personal lights
Switch....................................................... 327
Power outlet ........................................... 344
Power windows ........................................80
Radiator .................................................... 406
Radio* ....................................................... 229
RDS* ............................................................231
Rear sunshade ....................................... 352M
N
O
P
R

587
Alphabetical index
IS350/250_U
Tire informationGlossary ................................................ 546
Size ........................................................... 543
Tire identification number ............. 543
Uniform tire quality grading......... 544
Tires
Chains ..................................................... 206
Checking ................................................. 412
If you have a flat tire.......................... 492
Inflation pressure ................................424
Inflation pressure sensor.................. 414
Information..............................................541
Replacing............................................... 492
Rotating tires .......................................... 412
Size ............................................................. 531
Snow tires.............................................. 206
Tools ...........................................................492
Total load capacity............................... 205
Towing Dinghy towing............................... 211, 212
Emergency towing ........................... 463
Trailer towing......................................... 210
TRAC .......................................................... 196
Traction control ...................................... 196
Transmission shift switches ................ 149
Trip meter..................................................158 Trunk
Extending trunk space ....................354
Opener ...................................................... 52
Trunk light
Trunk light ................................................. 53
Wattage ................................................. 536
Turn signal lights Replacing light bulbs ......................... 451
Switch........................................................ 154
Wattage ................................................. 536
USB port* .................................................... 260
Vanity lights Vanity lights .......................................... 337
Wattage ................................................. 536
Vanity mirrors ........................................ 337
VDIM .......................................................... 196
Vehicle dynamics integrated management ........................................ 196
Vehicle identification number .......... 521
Vehicle stability control....................... 196
Ventilators ...............................................348
Voice command switch* ...................298
VSC............................................................. 196
U
V
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

588
Alphabetical index
IS350/250_U
Warning buzzersBrake system ......................................... 471
Open door .......................................... 473
Seat belt reminder............................. 473
Warning lights Anti-lock brake system....................472
Brake assist system............................472
Brake system ......................................... 471
Charging system ................................472
Electric power steering
warning light ......................................472
Low fuel level ....................................... 473
Malfunction indicator lamp............472
Master warning light ........................ 473
Open door ........................................... 473
Pretensioners........................................472
Seat belt reminder light .................. 473
SRS airbags ...........................................472
Tire pressure warning light ........................................................ 473 Warning messages
AWD system....................................... 482
Engine oil level.................................... 484
Engine oil maintenance.................. 484
Engine oil pressure............................. 481
Hood ....................................................... 484
Intuitive parking assist ......... 482, 484
Moon roof............................................. 484
Open door ........................................... 484
Parking brake...................................... 484
Smart access system with push-button start ...........................488
Steering lock........................................ 482
Tire pressure warning system................... 482, 484
Trunk........................................................ 484
Washer fluid ........................................ 484
Washer
Checking................................................... 411
Preparing and checking before winter.................................... 206
Switch........................................................ 178
Washing and waxing........................... 378W

592
IS350/250_U
GAS STATION INFORMATION
Auxiliary catch leverP. 3 9 4Trunk openerP. 5 2Fuel filler door P. 8 7
Hood lock release lever P. 3 9 4Fuel filler door openerP. 8 7Tire inflation pressureP. 5 3 1
Fuel tank capacity
(Reference)17.2 gal. (65 L, 14.3 Imp. gal.)
Fuel typeUnleaded gasoline only P. 88, 523
Cold tire inflation
pressureP. 5 3 1
Engine oil capacity
(Drain and refill
reference)qt. (L, Imp. qt.)
(2WD models) (AWD models)
Without filter 6.2 (5.9
, 5.2)6.3 (6.0, 5.3)
With filter 6.6 (6.3, 5.5) 6.7 (6.4, 5.6)
Engine oil typeToyota Genuine Motor Oil or equivalent
Oil grade: ILSAC multigrade engine oil P. 524