2020 Lexus IS350 belt

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

642Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Back-up lightsReplacing light bulbs ........................... 511
Battery....................................................... 482 Battery checking ................................482
If the vehicle battery is discharged.....................................575
Preparing and checking before winter ................................................... 306
Warning light ...................................... 525
Bluetooth
®
Audio system .......................................370
Hands-free system (for cellular phone) ..........................371
Bottle holders ......................................... 433
Brake Fluid............................................................ 481
Parking brake...................................... 200
Warning light ...................................... 525
Brake assist .............................................. 301
Break-in tips.............................................. 174
Brightness control Instrument panel light control ......... 92
BSM (Blind Spot Monitor)................ 285 BSM function ...................................... 289
RCTA function .................................... 292 Care................................................454, 458
Aluminum wheels ..............................455
Exterior ................................................... 454
Interior .....................................................458
Seat belts................................................ 459
Cargo capacity .......................................183
Cargo hooks .......................................... 435
CD player.................................................344
Chains ....................................................... 307
Child restraint system ........................... 53 Booster seats, definition .................... 54
Booster seats, installation ................. 63
Convertible seats, definition ........... 54
Convertible seats, installation......... 60
Front passenger occupant classification system......................... 46
Infant seats, definition.......................... 54
Infant seats, installation....................... 60
Installing CRS with LATCH anchors ..................... 58
Installing CRS with seat belts ......... 60
Installing CRS with top tether strap......................... 64
BC

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

644Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Daytime running light system .......... 204
DefoggerOutside rear view mirrors ............. 422
Rear window ........................................ 422
Windshield ............................................ 422
Differential Front differential ................................. 593
Rear differential .................................. 594
Dimension ............................................... 586
Dinghy towing......................................... 185
Display Drive information ................................100
Dynamic radar cruise control......248
LDA (Lane Departure Alert with steering control) ....... 244
Multi-information display .................. 94
Warning message .............................532
Do-it-yourself maintenance ............. 468
Door courtesy lights Location ..................................................428
Wattage ..................................................597 Doors .......................................................... 124
Automatic door locking and unlocking system .................... 127
Door lock................................................. 126
Open door warning buzzer .......... 125
Open door warning light .............. 527
Outside rear view mirrors ..............159
Rear door child-protector .............. 127
Side windows ........................................ 162
Drive information .................................. 100
Drive-Start Control..................... 173, 195
Driver’s and front passenger’s seat belt reminder light....................527
Driver’s seat position memory.......... 147
Driving ........................................................ 172 Break-in tips ........................................... 174
Correct driving posture .................... 28
Driving mode select switch .......... 297
Procedures ............................................. 172
Winter drive tips ................................306
Dynamic radar cruise control ......... 248
D

646Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
First-aid kit storage belt ..................... 435
Flat tire ...................................................... 559
Floor mats ................................................... 26
FluidAutomatic transmission ................. 593
Brake ....................................................... 594
Washer .................................................. 484
Footwell light .......................................... 428 Wattage ..................................................597
Front passenger occupant classification system ............................ 46
Front personal lights............................ 429 Wattage ..................................................597
Front seats .................................................143 Adjustment ............................................. 143
Cleaning ................................................ 458
Correct driving posture .................... 28
Driving position memory .................147
Head restraints ..................................... 152
Power easy access system .............147
Seat heaters .......................................... 427
Seat position memory........................147
Seat ventilators .................................... 427
Front turn signal lights ......................... 198 Replacing light bulbs ....................... 508
Turn signal lever .................................. 198
Wattage ..................................................597 Fuel............................................................... 218
Capacity................................................ 589
Fuel gauge ............................................... 89
Fuel pump shut off system ............ 524
Information........................................... 598
Refueling ..................................................218
Type......................................................... 589
Warning light ....................................... 527
Fuel consumption Average fuel economy .............................. 112, 113, 115
Current fuel consumption....................... 112, 113, 115
Fuel filler door.......................................... 218 If the fuel filler door cannot be opened ......................... 220
Refueling ..................................................218
Fuel gauge ................................................. 89
Fuel pump shut off system .................524
Fuses.......................................................... 504
Garage door opener...........................442
Gauges........................................................ 89
Gear positions......................................... 195
Glove box ................................................432
Glove box light.......................................432
F
G

651Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Paddle shift switches .............................193
Parking assist sensors (intuitive parking assist) .................. 260
Parking brake.........................................200
Parking lights .......................................... 202 Light switch ...........................................202
Replacing light bulbs ........................... 511
PCS (Pre-Collision System) ............ 229 Warning light .......................................526
Personal lights........................................ 429 Wattage ..................................................597
Pop-up display ........................................ 103
Power easy access system ................. 147
Power outlet ........................................... 438
Power steering (Electric power steering system)................................. 302 Warning light .......................................526
Power windows .......................................162 Door lock linked window operation ........................... 164
Jam protection function ................... 163
Operation ............................................... 162
Window lock switch.......................... 162
Pre-Collision System (PCS) ............ 229 Warning light .......................................526 Radar cruise control (dynamic
radar cruise control)........................ 248
Radiator.................................................... 480
Radio ......................................................... 338
Rear passengers’ seat belt reminder lights ....................................527
Rear personal lights .............................429 Wattage ................................................. 597
Rear seats .................................................. 145 Fold down the seatback...................145
Luggage security system...................131
Rear sunshade....................................... 439 Operation.............................................. 439
Reverse operation feature ............ 439
Rear turn signal lights ...........................198 Replacing light bulbs ...................... 509
Turn signal lever .................................. 198
Wattage ................................................. 597
PR
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

652Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Rear view mirrorInside rear view mirror ..................... 157
Outside rear view mirrors .............. 159
Rear window defoggers .................... 422
Refueling ................................................... 218 Capacity ................................................ 589
Fuel types .............................................. 589
If the fuel filler door cannot be opened .........................220
Opening the fuel tank cap.............220
Remote Touch
*......................................412
Replacing Electronic key battery ..................... 502
Fuses........................................................ 504
Light bulbs ............................................ 507
Tires ......................................................... 559
Reporting safety defects for U.S. owners................................... 624
Resetting the message indicating maintenance is required ................ 462
Rev indicator ...............................................91
Rev peak .......................................................91 Seat belt reminder light ......................527
Seat belts .................................................... 30
Adjusting the seat belt.......................... 31
Automatic Locking Retractor .........32
Child restraint system installation ............................................. 60
Cleaning and maintaining the seat belt ....................................... 459
Emergency Locking Retractor.................................................32
How to wear your seat belt............. 30
How your child should wear the seat belt ...........................................32
Pregnant women, proper seat belt use ......................................... 33
Reminder light and buzzer ........... 527
Seat belt extender .................................32
Seat belt pretensioners........................ 31
SRS warning light .............................. 525
Seat heaters............................................. 427
Seat position memory .......................... 147
Seat ventilators....................................... 427
Seating capacity .....................................183
S

658Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Units ............................................................ 103
USB device ................................. 355, 402Connecting .............................................321
USB audio ............................................ 355
USB photo ............................................402
USB port ....................................................321
Vanity lights Vanity lights .......................................... 437
Wattage ..................................................597
Vanity mirrors ........................................ 437
VDIM (Vehicle Dynamics Integrated Manag ement) .............. 302
Vehicle data recordings .......................... 9
Vehicle Dynamics Integrated Management (VDIM) ..................... 302
Vehicle identification number ......... 587
Vehicle Stability Control (VSC) ...................................................... 301
Ventilators (seat ventilators).............427
Voice command system .................... 405
VSC (Vehicle Stability Control) ............. 301 Warning buzzers
Downshifting ..........................................195
Driver’s and front passenger’s seat belt reminder.......................... 527
Key reminder .......................................555
Open door ........................................... 527
Open hood...........................................535
Open moon roof ...............................545
Open trunk ...........................................535
Open window .....................................545
Rear passengers’ seat belt reminder ............................................. 527
Warning lights .......................................... 85 ABS .......................................................... 525
AFS ........................................................... 527
Brake system ....................................... 525
Charging system ............................... 525
Driver’s and front passenger’s seat belt reminder light ............... 527
Electric power steering .................. 526
Low fuel level ....................................... 527
Malfunction indicator lamp........... 525
Master warning light ........................ 527
Open door ........................................... 527
Pre-collision system ......................... 526
Rear passengers’ seat belt reminder lights................................. 527
Slip indicator ........................................ 526
SRS............................................................ 525
Tire pressure ........................................ 527
U
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