Page 586 of 648
5869-1. Specifications
IS350/300/200t_U (OM53D76U)
Light bulbs*
Light bulbsBulb No.WType
Exterior
Front turn signal lights 7444NA28/8A
Rear turn signal lights⎯21A
Outer foot lights⎯5B
Interior
Door courtesy lights1685B
Vanity lights⎯8B
Interior light⎯8B
Personal lights⎯8B
Footwell lights1943.8B
Trunk light⎯5B
A: Wedge base bulbs (amber) B: Wedge base bulbs (clear)
*: Light bulbs not listed in this table are LED bulbs.
Page 604 of 648
6049-2. Customization
IS350/300/200t_U (OM53D76U)
■Door lock ( →P. 111, 117, 559)
■Smart access system with push-button start and wireless remote control
( → P. 111, 117)
FunctionDefault settingCustomized setting
Unlocking using a mechanical
key
Driver’s door
unlocked in one
step, all doors
unlocked in two steps
All doors unlocked in one step—O
Automatic door lockShifting the shift
lever to position
other than P
Off
OOVehicle speed is
approximately 12
mph (20 km/h) or higher
Automatic door unlockShifting the shift
lever to POff
OODriver’s door is opened
Locking/unlocking of the trunk
when all doors are locked/
unlocked
OnOff—O
12
FunctionDefault settingCustomized setting
Operation buzzer volume5OffOO1 to 7
Operation signal
(Emergency flashers)OnOffOO
Time elapsed before automatic
door lock function is activated if
door is not opened after being
unlocked
60 seconds
Off
OO30 seconds
120 seconds
Open door warning buzzerOnOff—O
Welcome light illumination con-
trolOnOff—O
12
Page 605 of 648
6059-2. Customization
9
Vehicle specifications
IS350/300/200t_U (OM53D76U)
■Smart access system with push-button start (→P. 111, 117, 122)
■Wireless remote control ( →P. 106, 111, 117)
FunctionDefault settingCustomized setting
Smart access system with push-
button startOnOff—O
Smart door unlockingDriver’s doorAll the doorsOO
Number of consecutive door
lock operations2 timesAs many as desired—O
12
FunctionDefault settingCustomized setting
Wireless remote controlOnOff—O
Unlocking operation
Driver’s door
unlocked in one step, all doors
unlocked in two steps
All doors unlocked in one stepOO
Trunk unlocking operationPress and hold (short)
One short press
—O
Push twice
Press and hold (long)
Off
Alarm (panic mode)OnOff—O
12
Page 626 of 648

626
IS350/300/200t_U (OM53D76U)What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne
w genuine mechanical keys can be made
by your Lexus dealer. ( →P. 108)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (→ P. 110)
●Is the electronic key battery weak or depleted? ( →P. 493)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (→P. 173)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
(→ P. 124)
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
(→ P. 114)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open th e trunk as usual. Take the key out from the trunk.
(→ P. 119)
If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
The trunk lid is closed with the electronic key left inside
Page 628 of 648

628What to do if... (Troubleshooting)
IS350/300/200t_U (OM53D76U)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (→P. 518)
●The parking brake indicator is on
Is the parking brake released? ( →P. 186)
Depending on the situation, other types of warning buzzer may also sound.
(→ P. 516, 522)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (→ P. 70)
Do one of the following to de activate or stop the alarms:
• Unlock the doors or open the trunk.
• Turn the engine switch to ACCESSOR Y or 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. 522)
●When a warning light turns on or a warning message is displayed, refer to
P. 516, 522.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
Page 633 of 648

633Alphabetical index
IS350/300/200t_U (OM53D76U)
Child safety ................................................ 52Airbag precautions ..............................38
Battery precautions ............. 474, 565
Child restraint system ......................... 53
How your child should wear the seat belt .......................................... 32
Installing child restraints..................... 57
Moon roof precautions.................... 156
Power window lock switch ............ 149
Power window precautions .......... 152
Rear door child-p rotectors ............. 114
Removed electronic key battery precautions...............494
Seat belt extender precautions ........................................... 35
Seat belt precautions ..........................56
Seat heater precautions................... 410
Trunk precautions............................... 120
Child-protectors...................................... 114 Cleaning ....................................... 446, 450
Aluminum wheels .............................. 447
Exterior ................................................... 446
Interior .....................................................450
Seat belts..................................................451
Clock........................................................... 421
Coat hooks ..............................................425
Compass ................................................. 433
Condenser................................................ 471
Console box ............................................. 416
Cooling system ......................................469 Engine overheating ..........................566
Cruise control Dynamic radar cruise control ..... 236
Cup holders.............................................. 417
Current fuel consumption ................................100, 101
Curtain shield airbags ............................36
Customizable features ...................... 602
Page 638 of 648

638Alphabetical index
IS350/300/200t_U (OM53D76U)
JackPositioning a floor jack ....................463
Vehicle-equipped jack ...................547
Jack handle ............................................. 547
Jam protection function Moon roof .............................................. 154
Power windows ................................... 150
Keyless entry Smart access system with push-button start .............. 111, 117
Wireless remote control ............ 111, 117
Keys............................................................. 106 Battery-saving function .....................123
Electronic key ....................................... 106
Engine switch ......................................... 172
If the electronic key does not operate properly ....... 559
Key number plate ............................... 106
Keyless entry ......................................... 106
Mechanical key .................................... 107
Replacing the battery .......................493
Warning buzzer .................................... 112
Wireless remote control ................. 106
Knee airbags ............................................. 36 Lane Departure Alert with
steering control (LDA) .................... 227
Language (multi-information display)................92
LATCH anchors ...................................... 58
LDA (Lane Departure Alert with steering control) ....................... 227
Lever Auxiliary catch lever ......................... 462
Hood lock release lever................. 462
Internal trunk release lever .............. 119
Shift lever ................................................. 177
Tilt and telescopic steering lock release lever ............................. 142
Turn signal lever ...................................184
Wiper lever.............................................196
Lexus Display Audio controller ..... 302
Lexus Display Audio system ........... 300
Lexus Enform
*
Lexus Enform Remote*.....................442
Lexus Enform Safety Connect ........437
Lexus parking assist monitor
*.........257
Lexus Safety System+ .........................207 Automatic High Beam...................... 192
Dynamic radar cruise control ..... 236
LDA (Lane Departure Alert with steering control) ....................227
PCS (Pre-Collision System) ......... 214
J
K
L
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.
Page 639 of 648

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