2020 Lexus IS350 trunk

5979-1. Specifications
9
Vehicle specifications
IS350 AWD/IS350/IS300 AWD/IS300_U
Light bulbs*
Light bulbsBulb No.WType
Exterior
Front turn signal lights (bulb type)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.

6159-2. Customization
9
Vehicle specifications
IS350 AWD/IS350/IS300 AWD/IS300_U
■Door lock (P. 124, 130, 572)
■Smart access system with push-button start and wireless remote control
(  P. 124, 130)
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

6169-2. Customization
IS350 AWD/IS350/IS300 AWD/IS300_U
■Smart access system with push-button start ( P. 124, 130, 135)
■Wireless remote control ( P. 118, 124, 130)
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

637What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U
●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. 132)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 186)
●Is the shift lever in P? ( P. 188)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 135)
●Is the steering wheel unlocked? ( P. 188)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 573)
●Is the battery discharged? ( P. 575)
●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. 196)
●It is locked automatically to prevent theft of the vehicle. ( P. 188)
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

638What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U
●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. 162)
●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. 188)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (P. 527)
●The parking brake indicator is on
Is the parking brake released? ( P. 200)
Depending on the situation, other types of warning buzzer may also sound.
( P. 525, 532)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 78)
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

643Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Child safety ................................................ 52Airbag precautions ..............................38
Battery precautions ............. 483, 578
Child restraint system ......................... 53
How your child should wear the seat belt .......................................... 32
Installing child restraints..................... 57
Moon roof precautions.................... 169
Power window lock switch ............ 162
Power window precautions .......... 165
Rear door child-p rotectors ............ 127
Removed electronic key battery precautions.............. 503
Seat belt extender precautions ........................................... 35
Seat belt precautions ..........................56
Seat heater precautions..................426
Trunk precautions............................... 133
Child-protectors..................................... 127 Cleaning .......................................454, 458
Aluminum wheels ..............................455
Exterior ................................................... 454
Interior .....................................................458
Seat belts................................................ 459
Clock..........................................................437
Coat hooks ............................................... 441
Compass ..................................................449
Condenser.............................................. 480
Console box ............................................432
Cooling system ......................................478 Engine overheating .......................... 579
Cruise control Dynamic radar cruise control ..... 248
Cup holders............................................ 433
Current fuel consumption .................................. 112, 113
Curtain shield airbags ............................36
Customizable features ........................ 613

648Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
JackPositioning a floor jack ......................471
Vehicle-equipped jack .................. 560
Jack handle ............................................. 560
Jam protection function Moon roof ...............................................167
Power windows ................................... 163
Keyless entry Smart access system with push-button start ......... 124, 130
Wireless remote control ....... 124, 130
Keys............................................................... 118 Battery-saving function .....................137
Electronic key ......................................... 118
Engine switch ........................................ 186
If the electronic key does not operate properly ........ 572
Key number plate ................................. 118
Keyless entry ........................................... 118
Mechanical key ...................................... 119
Replacing the battery ...................... 502
Warning buzzer .................................. 125
Wireless remote control ................... 118
Knee airbags ............................................. 36 Lane Departure Alert with
steering control (LDA) ................... 240
Language (multi-information display)..............103
LATCH anchors ...................................... 58
LDA (Lane Departure Alert with steering control) ...................... 240
Lever Auxiliary catch lever ......................... 470
Hood lock release lever................. 470
Internal trunk release lever ............. 132
Shift lever .................................................. 191
Tilt and telescopic steering lock release lever ............................ 155
Turn signal lever .................................. 198
Wiper lever.............................................210
Lexus Display Audio controller ....... 314
Lexus Display Audio system ............. 312
Lexus Enform
*
Lexus Enform Remote*........................ 74
Lexus Enform Safety Connect ........... 75
Lexus parking assist monitor
*.........269
Lexus Safety System + ........................222 Automatic High Beam....................206
Dynamic radar cruise control ..... 248
LDA (Lane Departure Alert with steering control) ................... 240
PCS (Pre-Collision System) ....... 229
J
K
L

649Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
License plate lights............................... 202Light switch ...........................................202
Replacing light bulbs ........................... 511
Light bulbs Replacing .............................................. 507
Wattage ..................................................597
Lights Headlight switch.................................202
Illuminated entry system ................ 459
Interior light ...........................................429
Interior lights list ..................................428
Personal lights .....................................429
Replacing light bulbs ....................... 507
Trunk light ................................................132
Turn signal lever .................................. 198
Vanity lights .......................................... 437
Wattage ..................................................597
Lock steering column .......................... 188
Low profile tire.......................................488
Luggage security system...................... 131 Maintenance
Do-it-yourself maintenance .........468
General maintenance ..................... 464
Maintenance data............................. 586
Maintenance requirements ............461
Malfunction indicator lamp .............. 525
Master warning light ............................527
Meter Changing the display ......................... 92
Indicators .................................................. 86
Instrument panel light control ........ 92
Meters ........................................................ 89
Multi-information display.................. 94
Warning lights........................................ 85
Micro dust and pollen filter ................ 421
Mirrors Inside rear view mirror...................... 157
Outside rear view mirror defoggers........................................... 422
Outside rear view mirrors ..............159
Vanity mirrors ..................................... 437
MMS (Multimedia messaging service).................................................. 380
Mobile Assistant ..................................... 319M
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.