headlight bulb LEXUS RC300 2020 Owners Manual
Page 1 of 390
RC350AWD-RC350-RC300AWD-RC300_U
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Pictorial indexSearch by illustration
For safety 
and securityMake sure to read through them
(Main topics: Child seat, theft deterrent system)
Vehicle status 
information and 
indicatorsReading driving-related information
(Main topics: Meters, multi-information display)
Before drivingOpening and closing the doors and windows, 
adjustment before driving
(Main topics: Keys, doors, seats)
DrivingOperations and advice which are necessary for driving
(Main topics: Starting engine, refueling)
Interior featuresUsage of the interior features
(Main topics: Air conditioner, storage features)
Maintenance 
and careCaring for your vehicle and maintenance procedures
(Main topics: Interior and exterior, light bulbs)
When trouble 
arisesWhat to do in case of malfunction and emergency
(Main topics: Battery discharge, flat tire)
Vehicle 
specificationsVehicle specifications, customizable features
(Main topics: Fuel, oil, tire inflation pressure)
For ownersReporting safety defects for U.S. owners, and seat belt, 
SRS airbag and headlight aim instructions for Canadian 
owners
IndexSearch by symptom
Search alphabetically 
Page 4 of 390
4TABLE OF CONTENTS
Checking and replacing fuses........................................................... 269
Headlight aim.................................. 271
Light bulbs ....................................... 272
7-1. Essential information Emergency flashers..................... 276
If your vehicle has to be stopped in  an emergency ............................. 276
If the vehicle is trapped in rising  water............................................... 277
7-2. Steps to take in an emergency If your vehicle needs to be towed........................................................... 279
If you think something is wrong ........................................................... 282
Fuel pump shut off system ........ 283
If a warning light turns on or a warn- ing buzzer sounds ..................... 284
If a warning message is displayed ........................................................... 292
If you have a flat tire..................... 296
If the engine wi ll not start .......... 303
If you lose your keys .................... 305
If the fuel filler door cannot be  opened........................................... 305
If the electronic key does not oper- ate properly ................................. 306
If the vehicle battery is discharged ........................................................... 308
If your vehicle overheats ............. 311
If the vehicle becomes stuck .... 3158-1. Specifications
Maintenance data (fuel, oil level, etc.) .................................................. 318
Fuel information............................ 329
Tire information ............................. 331
8-2. Customization Customizable features ................341
8-3. Items to initialize Items to initialize ............................ 351
8-4. Certifications Certifications ................................. 352
9-1. For owners Reporting safety defects for U.S. owners ........................................... 362
Seat belt instructions for Canadian  owners (in French) ................... 362
SRS airbag instructions for Cana- dian owners (in French) ......... 364
Headlight aim instructions for  Canadian owners (in French).......................................................... 370
What to do if... (Troubleshooting) .......................................................... 372
Alphabetical Index ...................... 375
7When trouble arises
8Vehicle specifications
9For owners
Index 
Page 12 of 390
12Pictorial index
Windshield wipers .................................................................................................. P.142
Precautions for winter season ...................................................................................... P.198
To prevent freezing (windshield wiper de-icer)
*.................................................... P.211
Precautions against car wash ...................................................................................... P.235
Fuel filler door .......................................................................................................... P.149
Refueling method .............................................................................................................. P .149
Fuel type/fuel tank capacity ...... ...................................................................................P.320
Tires.......................................................................................................................... .. P.257
Tire size/inflation pressure ........................................................................................... P.324
Winter tires/tire chain ..................................................................................................... P.1 98
Checking/rotation/tire pressure warning system.............................................. P.257
Coping with flat tires........................................................................................................ P .296
Hood .......................................................................................................................... P.247
Opening ........................................................................................................................ ....... P.247
Engine oil ..................................................................................................................... .........P.320
Coping with overheating .................................................................................................. P.311
Warning messages .......................................................................................................... P.292
Headlights ................................................................................................................. P.13 7
Parking lights/daytime running lights............................................................... P.137
Turn signal lights ...................................................................................................... P.134
Cornering lights ...................................................................................................... P.137
Side marker lights ................................................................................................... P.137
Tail lights .................................................................................................................... P.137
Stop lights
Back up light
Shifting the shift lever to R .............................................................................................. P.13 0
License plate lights ................................................................................................. P.137
*:If equipped
Light bulbs of the exterior lights for driving
(Replacing method: P.272, Watts: P.328)
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Page 233 of 390
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Maintenance and care
Maintenance and care
.6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 234
Cleaning and protecting the vehi- cle interior ................................. 237
6-2. Maintenance Maintenance requirements........................................................ 240
General maintenance .............. 241
Emission inspection and mainte- nance (I/M) programs ......... 244
6-3. Do-it-yourself maintenance Do-it-yourself service precautions........................................................ 245
Hood............................................... 247
Positioning a floor jack............ 247
Engine compartment............... 249
Tires ................................................ 257
Tire inflation pressure .............. 263
Wheels........................................... 265
Air conditioning  filter...............266
Electronic key battery ............. 267
Checking and replacing fuses ........................................................ 269
Headlight aim............................... 271
Light bulbs .................................... 272 
Page 272 of 390
2726-3. Do-it-yourself maintenance
Check the wattage of the light bulb to 
be replaced. (P.328)
Rear turn signal light
■Bulbs that need to be replaced by 
your Lexus dealer
 Headlights
 Parking lights and daytime running 
lights
 Front turn signal lights
 Cornering lights
 Side marker lights 
Side turn signal lights
 Stop/tail lights
 Back-up light
 High mounted stoplight
 License plate lights
■LED light bulbs
The lights other than the rear turn signal 
lights each consist of a number of LEDs. If 
any of the LEDs burn out, take your vehicle 
to your Lexus dealer to have the light 
replaced.
■Condensation build-up on the inside of 
the lens
Temporary condensation  build-up on the 
inside of the headlight lens does not indi-
cate a malfunction. Contact your Lexus 
dealer for more information in the following 
situations:
●Large drops of water have built up on the 
inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs
 P.270
■Rear turn signal lights
1 Open the trunk and apply protec-
tive tape to the peripheral of the 
taillight and the vehicle body 
around the taillight.
Use masking tape, etc. Do not use duct 
tape, as it may leave residue or damage the 
Light bulbs
You may replace the following bulbs 
by yourself. The difficulty level of 
replacement varies depending on 
the bulb. If necessary bulb replace-
ment seems difficult to perform, 
contact your Lexus dealer.
For more information about replac-
ing other light bulbs, contact your 
Lexus dealer.
Preparing for light bulb replace-
ment
Bulb locations
A
Replacing light bulbs 
Page 377 of 390
375Alphabetical Index
Alphabetical Index
A
A/CAir conditioning filter ............................... 266
Automatic air conditioning system ... 207
Micro dust and pollen filter.......................211
ABS (Anti-lock Brake System)................194 Warning light ...............................................285
Active Sound Control (ASC) ..................135
Adaptive Variable Suspension System 194
Air conditioning filter ................................. 266
Air conditioning system Air conditioning filter ............................... 266
Automatic air conditioning system ... 207
Micro dust and pollen filter.......................211
Airbags Airbag operating conditions................... 30
Airbag precautions for your child .........32
Correct driving posture .............................23
Curtain shield airbag operating condi-tions .................................................................. 30
Curtain shield airbag precautions ........32
Front passenger occupant classification  system ............................................................. 36
General airbag precautions ....................32
Locations of airbags.................................... 28
Modification and disposal of airbags . 35
Side airbag operating conditions ......... 30
Side airbag precautions .............................32
Side and curtain shield airbags operating  conditions...................................................... 30
Side and curtain shield airbags precau- tions ...................................................................32
SRS airbags ..................................................... 28
SRS warning light ......................................285
Alarm ....................................................................57 Warning buzzer ......................................... 284
Anchor brackets .......................................41, 49
Antennas (smart access system with  push-button start)........................................ 93
Anti-lock Brake System (ABS)................194 Warning light ...............................................285 Approach warning........................................ 175
ASC (Active Sound Control) ..................135
Assist grips ..................................................... 222
Audio system-linked display .......................74
Automatic air conditioning system ...... 207
Automatic headlight leveling system ... 138
Automatic High Beam ................................139
Automatic light control system................ 137
Automatic transmission ..............................129
M mode ............................................................132
Paddle shift switches ......................... 131, 132
Snow mode...................................................... 131
Average fuel economy................................... 71
Average vehicle speed .................................. 71
B
Back-up light Replacing light bulbs ................................ 272
Wattage ..........................................................328
Battery Battery checking ........................................255
If the battery is discharged ................... 308
Preparing and checking before winter........................................................................... 198
Warning light ...............................................284
Blind Spot Monitor (BSM)........................ 184
Boost gauge.......................................................72
Brake Fluid................................................................... 323
Parking brake ............................................... 135
Warning light ...............................................284
Brake assist ......................................................194
Break-in tips...................................................... 117
Brightness control Instrument panel light control................. 69
BSM (Blind Spot Monitor)........................ 184
C
Card key ............................................................ 82
Care Aluminum wheels ...................................... 234 
Page 381 of 390
379Alphabetical Index
G-force................................................................72
Glove box .........................................................219
Glove box light ............................................. 220
H
Head restraints .............................................. 103
Headlight aim .................................................. 271
HeadlightsAutomatic High Beam system..............139
Light switch ..................................................... 137
Replacing light bulbs.................................272
Wattage.......................................................... 328
Heated steering wheel ................................ 214
Heaters Automatic air conditioning system ... 207
Heated steering wheel.............................. 214
Outside rear view mirrors ........................211
Seat heaters .................................................... 214
High mounted stoplight Replacing light bulbs.................................272
Hill-start assist control .................................194
Hood Open ............................................................... 247
Hooks Cargo hooks.................................................. 221
Coat hooks ....................................................222
Retaining hooks (floor mat)......................22
Horn ....................................................................107
I
I/M test ............................................................ 244
Identification Engine ...............................................................319
Vehicle ............................................................. 318
Ignition switch (engine switch).................125 Auto power off function ...........................128
Changing the engine switch modes.. 127
If your vehicle has to  be stopped in an 
emergency ................................................ 276
Illuminated entry system .............................218
Indicators ........................................................... 62 Initialization
Items to initialize .......................................... 351
Maintenance.....................................240, 252
Power windows ............................................. 110
Tire pressure warning system ............. 262
Inside rear view mirror ................................107
Instrument panel light  control ................... 69
Intercooler...................................................... 254
Intercooler coolant Capacity ...........................................................321
Checking ....................................................... 252
Interior lights.................................................... 217 Front interior light ........................................ 217
Rear interior light.......................................... 217
Intuitive parking assist Warning message ...................................... 180
J
JackPositioning a floor jack ............................ 247
Vehicle-equipped jack ...........................296
Jack handle .................................................... 296
Jam protection function Moon roof ........................................................ 113
Power windows ............................................. 110
K
Keyless entrySmart access system with push-button start ................................................................... 93
Wireless remote control ...........................84
Keys Battery-saving function.............................. 94
Electronic key ................................................. 82
Engine switch ................................................ 125
If the electronic key does not operate properly ...................................................... 306
If you lose your keys ................................ 305
Key number plate ......................................... 82
Keyless entry ..........................................86, 93
Mechanical key .............................................. 82 
Page 382 of 390
380Alphabetical Index
Replacing the battery............................... 267
Warning buzzer ............................................ 93
Wireless remote control........................... 84
Knee airbags .................................................... 28
L
Lane Departure Alert wi th steering control 
(LDA) Operation........................................................163
Warning messages ................................... 168
Language (multi-information display) ....74
LDA (Lane Departure Alert with steering  control)Operation........................................................163
Warning messages ................................... 168
LDA (Lane Departure Alert with steering  control) switch .............................................165
LDH (Lexus Dynamic Handling system) ............................................................................195
Lever Auxiliary catch lever ................................. 247
Hood lock release lever......................... 247
Shift lever.......................................................... 129
Turn signal lever ...........................................134
Wiper lever..................................................... 142
Lexus Dynamic Handling system (LDH) ............................................................................195
Lexus Enform Safety Connect.................. 52
Lexus Safety System + Automatic High Beam ..............................139
Dynamic radar cruise control ...............170
LDA (Lane Departure Alert with steering control) ..........................................................163
PCS (Pre-Collision System)................. 156
License plate lights Light switch ..................................................... 137
Replacing light bulbs.................................272
Light Wattage.......................................................... 328
Light bulbs Replacing ........................................................272 Lights
Automatic High Beam system ............. 139
Front interior lights ...................................... 217
Headlight switch...........................................137
Interior lights ................................................... 217
Interior lights list ............................................ 217
Personal lights .............................................. 218
Rear interior lights ....................................... 217
Replacing light bulbs ................................ 272
Trunk light ...........................................................91
Turn signal lever ...........................................134
Vanity lights .................................................. 223
Wattage ..........................................................328
Lock steering column ..................................125
M
Maintenance Do-it-yourself maintenance .................245
General maintenance ...............................241
Maintenance date ....................................... 318
Maintenance requirements ..................240
Malfunction indicator la mp ..................... 285
Master warning light .................................. 289
Menu icons........................................................ 70
Meter Changing the main meter location...... 67
Clock................................................................... 64
Indicators........................................................... 62
Instrument panel light control................. 69
Meters................................................................. 64
Multi-information display .......................... 69
Settings............................................................... 74
Units..................................................................... 73
Warning lights .............................................284
Warning messages................................... 292
Micro dust and pollen filter ........................ 211
Mirrors Inside rear view mirror ............................. 107
Outside rear view mirror defoggers .. 211
Outside rear view mirrors...................... 108
Vanity mirrors .............................................. 223 
Page 385 of 390
383Alphabetical Index
Seat heaters .................................................... 214
Seat position memory .............................. 100
Seat ventilators.............................................. 214
Seats, Front Child seats/child restraint system installa-tion .................................................................... 40
Sensor Automatic headlight system................... 137
Automatic High Beam system..............139
Inside rear view mirror............................. 108
LDA (Lane Departure Alert with steering control) ..........................................................163
Radar sensor..................................................152
Rain-sensing windshield wipers........... 147
Service reminder message ..................... 240
Shift lever Automatic transmission ............................ 129
Side airbags ...................................................... 28
Side marker lights Light switch ..................................................... 137
Replacing light bulbs.................................272
Side mirrors Adjustment..................................................... 108
BSM (Blind Spot Monitor) .................... 184
Folding ............................................................. 109
Linked mirror functi on when reversing
.......................................................................... 109
Mirror position memory.......................... 100
RCTA function ............................................. 184
Side turn signal lights Replacing light bulbs.................................272
Turn signal lever ...........................................134
Wattage.......................................................... 328
Side windows ................................................... 110
Smart access system with push-button  startAntenna location........................................... 93
Entry functions................................................ 86
Starting the engine ......................................125
Warning message..................................... 292
Snow mode ....................................................... 131
Snow tires ........................................................ 198 Spare tire......................................................... 296
Storage location .........................................296
Spark plug ...................................................... 322
Specifications ................................................. 318
Speed indicator ............................................... 66
Speed meter Speed indicator.............................................. 66
Speedometer ................................................... 64
Steering lock Column lock release ................................. 125
Steering lock system warning message........................................................................... 125
Steering wheel Adjustment ..................................................... 106
Heated steering wheel ..............................214
Meter control switches .............................. 70
Power easy access system .................... 100
Steering wheel position memory........100
Stop lights Replacing light bulbs ................................ 272
Wattage ..........................................................328
Storage features ............................................219
Stuck If the vehicle becomes stuck ................. 315
Sun visors ........................................................ 223
Sunshade Roof...................................................................... 113
Switch ASC (Active Sound Control) dial...... 135
Meter control switches .............................. 70
Switches Activating the Automatic High Beam139
Automatic High Beam system ............. 139
Door lock switches ..................................... 88
Driving mode select switch ....................192
Driving position memory switches .... 100
Emergency flashers switch ................... 276
Engine switch ................................................ 125
Garage door opener switches........... 224
Heated steering wheel switch ...............214
Ignition switch ............................................... 125