2018 Lexus IS350 trunk

5959-1. Specifications
9
Vehicle specifications
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
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.

6139-2. Customization
9
Vehicle specifications
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
■Door lock (→P. 116, 122, 569)
■Smart access system with push-button start and wireless remote control
( → P. 116, 122)
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

6149-2. Customization
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
■Smart access system with push-button start ( →P. 116, 122, 127)
■Wireless remote control ( →P. 110, 116, 122)
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

635What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk.
(→ P. 124)
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 178)
●Is the shift lever in P? ( →P. 180)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 127)
●Is the steering wheel unlocked? (→ P. 180)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (→P. 570)
●Is the battery discharged? ( →P. 572)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode. ( →P. 188)
●It is locked automatically to prevent theft of the vehicle. ( →P. 180)
The trunk lid is closed with the electronic key left inside
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from
P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped

636What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( →P. 154)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( →P. 180)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (→P. 524)
●The parking brake indicator is on
Is the parking brake released? ( →P. 192)
Depending on the situation, other types of warning buzzer may also sound.
(→ P. 522, 529)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (→ P. 71)
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. The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds

641Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Child safety ................................................ 52
Airbag precautions ..............................38
Battery precautions ............... 481, 575
Child restraint system ......................... 53
How your child should wear the seat belt .......................................... 32
Installing child restraints..................... 57
Moon roof precautions...................... 161
Power window lock switch ............ 154
Power window precautions .......... 157
Rear door child-protectors ............. 119
Removed electronic key battery precautions................ 501
Seat belt extender precautions ........................................... 35
Seat belt precautions ..........................56
Seat heater precautions................... 416
Trunk precautions............................... 125
Child-protectors...................................... 119 Cleaning ....................................... 452, 456
Aluminum wheels .............................. 453
Exterior ................................................... 452
Interior ..................................................... 456
Seat belts................................................ 457
Clock.......................................................... 427
Coat hooks ............................................... 431
Compass ................................................. 439
Condenser...............................................478
Console box ............................................422
Cooling system ...................................... 476 Engine overheating .......................... 576
Cruise control Dynamic radar cruise control ..... 239
Cup holders.............................................423
Current fuel consumption .............................. 104, 105
Curtain shield airbags ............................36
Customizable features ......................... 611

646Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Jack
Positioning a floor jack ................... 469
Vehicle-equipped jack ...................557
Jack handle ............................................. 557
Jam protection function Moon roof .............................................. 159
Power windows ................................... 155
Keyless entry Smart access system with push-button start ........... 116, 122
Wireless remote control ......... 116, 122
Keys............................................................... 110 Battery-saving function .................... 128
Electronic key ......................................... 110
Engine switch ........................................ 178
If the electronic key does not operate properly ....... 569
Key number plate ................................. 110
Keyless entry ........................................... 110
Mechanical key ........................................ 111
Replacing the battery ...................... 500
Warning buzzer .................................... 117
Wireless remote control ................... 110
Knee airbags ............................................. 36 Lane Departure Alert with
steering control (LDA) ....................232
Language (multi-information display)............... 95
LATCH anchors ...................................... 58
LDA (Lane Departure Alert with steering control) .......................232
Lever Auxiliary catch lever .........................468
Hood lock release lever.................468
Internal trunk release lever ............. 124
Shift lever ................................................ 183
Tilt and telescopic steering lock release lever ............................. 147
Turn signal lever .................................. 190
Wiper lever........................................... 202
Lexus Display Audio controller ..... 306
Lexus Display Audio system ........... 304
Lexus Enform
*
Lexus Enform Remote*.................... 448
Lexus Enform Safety Connect ........443
Lexus parking assist monitor
*........ 260
Lexus Safety System+ .......................... 214 Automatic High Beam..................... 198
Dynamic radar cruise control ..... 239
LDA (Lane Departure Alert with steering control) ................... 232
PCS (Pre-Collisio n System) ......... 221
J
K
L

647Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
License plate lights.................................194
Light switch ............................................ 194
Replacing light bulbs ....................... 509
Light bulbs Replacing .............................................. 505
Wattage ................................................. 595
Lights Headlight switch.................................. 194
Illuminated entry system .................457
Interior light ............................................ 419
Interior lights list ................................... 418
Personal lights ...................................... 419
Replacing light bulbs ....................... 505
Trunk light ................................................124
Turn signal lever .................................. 190
Vanity lights .......................................... 427
Wattage ................................................. 595
Lock steering column .......................... 180
Low profile tire....................................... 486
Luggage security system.....................123 Maintenance
Do-it-yourself maintenance ......... 466
General maintenance ..................... 462
Maintenance data..............................584
Maintenance requirements .......... 459
Malfunction indicator lamp ...............522
Master warning light ............................524
Meter Changing the display ......................... 84
Indicators .................................................. 78
Instrument panel light control ........ 84
Meters ..........................................................81
Multi-information display.................. 86
Warning lights......................................... 77
Micro dust and pollen filter ..................411
Mirrors Inside rear view mirror......................149
Outside rear view mirror defoggers............................................. 412
Outside rear view mirrors ............... 151
Vanity mirrors ......................................427
MMS (Multimedia messaging service).................................................... 371
Mobile Assistant ...................................... 311M
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.