2022 LEXUS ES300h fuses

4TABLE OF CONTENTS
General maintenance .................315
Emission inspection and mainte- nance (I/M) programs ............. 318
6-3. Do-it-yourself maintenance Do-it-yourself service precautions............................................................ 319
Hood................................................... 321
Positioning a floor jack ................ 321
Engine compartment.................. 323
12-volt battery................................ 328
Tires ................................................... 330
Tire inflation pressure ................. 338
Wheels.............................................. 340
Air conditioning filter.................. 342
Cleaning the hybrid battery (trac- tion battery) air intake vent and fil-
ter..................................................... 343
Electronic key battery ................ 347
Checking and replacing fuses 349
Headlight aim.................................. 351
Light bulbs ....................................... 352
7-1. Essential information Emergency flashers..................... 358
If your vehicle has to be stopped in an emergency ............................. 358
If the vehicle is submerged or water on the road is rising .................. 359
7-2. Steps to take in an emergency If your vehicle needs to be towed............................................................ 361
If you think something is wrong ........................................................... 362
If a warning light turns on or a warn- ing buzzer sounds ..................... 364If a warning message is displayed
.......................................................... 374
If you have a flat tire .................... 379
If the hybrid system will not start .......................................................... 386
If you lose your keys.................... 388
If the fuel filler door cannot be opened .......................................... 388
If the electronic key does not oper- ate properly ................................. 389
If the 12-volt battery is discharged ........................................................... 391
If your vehicle overheats ........... 396
If the vehicle becomes stuck ... 399
8-1. Specifications Maintenance data (fuel, oil level, etc.) ................................................. 402
Fuel information............................. 410
Tire information .............................. 412
8-2. Customization Customizable features ................ 421
8-3. Items to initialize Items to initialize ........................... 433
9-1. For owners Reporting safety defects for U.S. owners ........................................... 436
Reporting safety defects for Cana- dian owners ................................. 436
Seat belt instructions for Canadian owners (in French) ................... 437
7When trouble arises
8Vehicle specifications
9For owners

307
6
6
Maintenance and care
Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 308
Cleaning and protecting the vehi- cle interior ................................... 311
6-2. Maintenance Maintenance requirements ... 314
General maintenance .............. 315
Emission inspection and mainte- nance (I/M) programs .......... 318
6-3. Do-it-yourself maintenance Do-it-yourself service precautions......................................................... 319
Hood................................................ 321
Positioning a floor jack ............. 321
Engine compartment............... 323
12-volt battery............................. 328
Tires ................................................ 330
Tire inflation pressure .............. 338
Wheels........................................... 340
Air conditioning filter............... 342
Cleaning the hybrid battery (trac- tion battery) air intake vent and
filter .............................................. 343
Electronic key battery ............. 347
Checking and replacing fuses ........................................................ 349
Headlight aim............................... 351
Light bulbs .................................... 352

3196-3. Do-it-yourself maintenance
6
Maintenance and care
6-3.Do-it-yo urself mainte nance
Do-it-yourself service pre-
cautions
If you perform maintenance by
yourself, be sure to follow the cor-
rect procedure as given in these
sections.
Maintenance
ItemsParts and tools
12-volt battery
condition
( P.328)•Grease
• Conventional wrench
(for terminal clamp
bolts)
Brake fluid
level
( P.327)
• FMVSS No.116 DOT 3
or SAE J1703 brake
fluid
FMVSS No.116 DOT 4
or SAE J1704 brake
fluid
•Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/power
control unit
coolant level
( P.325)
•“Toyota Super Long
Life Coolant” or a simi-
lar high quality eth-
ylene glycol-based
non-silicate, non-amine,
non-nitrite and non-
borate coolant with
long-life hybrid organic
acid technology
For the U.S.A.:
“Toyota Super Long
Life Coolant” is pre-
mixed with 50% cool-
ant and 50% deionized
water.
For Canada:
“Toyota Super Long
Life Coolant” is pre-
mixed with 55% cool-
ant and 45% deionized
water.
• Funnel (used only for adding coolant)
Hybrid bat-
tery (traction
battery) air
intake vent
( P.343)
• Vacuum cleaner, etc.
• Phillips screwdriver
Engine oil level
( P.323)
•“Toyota Genuine
Motor Oil” or equiva-
lent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses
( P.349)• Fuse with same amper-
age rating as original
Headlight aim• Phillips-head screw-driver
ItemsParts and tools

3496-3. Do-it-yourself maintenance
6
Maintenance and care
1Turn the power switch off.
2 Open the Fuse box cover.
Engine compartment: type A fuse
box
Push the tab in and lift the lid off.
Engine compartment: type B fuse
box
Push the tab in and lift the lid off.
Driver’s side instrument panel
Push the tab in and remove the lid. Make sure to push the tab in during
removal or installation.
3
Remove the fuse with the pullout
tool.
Only type A fuses can be removed using
the pullout tool.
4Check if the fuse is blown.
Type A and B:
Replace the blown fuse with a new fuse of
an appropriate amperage rating. The
amperage rating can be found on the fuse
box lid.
Type C:
Contact your Lexus dealer.
Type A
Checking and replacing
fuses
If any of the electrical components
do not operate, a fuse may have
blown. If this happens, check and
replace the fuses as necessary.
Checking and replacing fuses

3506-3. Do-it-yourself maintenance
Normal fuse
Blown fuse
Type BNormal fuse
Blown fuse
Type CNormal fuse
Blown fuse
QAfter a fuse is replaced
OWhen installing the lid, make sure that the
tab is installed securely.
OIf the lights do not turn on even after the
fuse has been replaced, a bulb may need
replacement. ( P.352)
OIf the replaced fuse blows again, have the
vehicle inspected by your Lexus dealer.
QIf there is an overload in a circuit
The fuses are designed to blow, protecting
the wiring harness from damage.
A
B
A
B
A
B
WARNING
QTo prevent system breakdowns and
vehicle fire
Observe the following precautions.
Failure to do so may cause damage to
the vehicle, and possibly a fire or injury.
ONever use a fuse of a higher amperage
rating than that indicated, or use any
other object in place of a fuse.
OAlways use a genuine Lexus fuse or
equivalent.
Never replace a fuse with a wire, even
as a temporary fix.
ODo not modify the fuses or fuse boxes.
NOTICE
QBefore replacing fuses
Have the cause of electrical overload
determined and repaired by your Lexus
dealer as soon as possible.

454Alphabetical index
ACCESSORY mode ................................ 151
Compartment ............................................. 323
Hood.................................................................. 321
How to start the hybrid system ........... 148
Identification number ...............................403
If the hybrid system will not start ........386
If your vehicle has to be stopped in an emergency ............................................... 358
Ignition switch (power switch) ............. 148
Overheating .................................................396
Power switch ................................................ 148
Tachometer ............................................ 76, 80
Engine coolant .............................................. 325 Capacity .........................................................405
Checking ....................................................... 325
Preparing and checking before winter.........................................................................260
Engine coolant temperature gauge76, 80
Engine oil ........................................................ 323 Capacity .........................................................404
Checking ....................................................... 323
Preparing and checking before winter.........................................................................260
Warning light ...............................................365
Engine oil maintenance data .................. 325
EPS (Electric Power Steering) .............. 253 Function .......................................................... 253
Warning light ...............................................366
EV drive mode................................................153
Event data recorder (EDR) ........................... 8
EV indicator ...................................................... 60
F
Flat tire ............................................................. 379 Tire pressure warning system ............. 333
Floor mats ...........................................................22
Fluid Brake................................................................406
Hybrid transmission .................................406
Washer ........................................................... 327
Footwell light ................................................. 282
Front passenger occupant classification system ...............................................................37
Front seats ........................................................120 Adjustment ..................................................... 120
Cleaning ............................................................ 311
Correct driving posture ............................ 23
Driving position memory .......................... 121
Head restraints..............................................124
Memory recall function.............................123
Power easy access system ...................... 121
Seat heaters ..................................................278
Seat position memory ................................ 121
Seat ventilators ............................................278
Front side marker light ................................163 Light switch .................................................... 163
Front side marker lights Replacing light bulbs................... 352, 353
Wattage ......................................................... 409
Front turn signal lights ................................ 158 Replacing light bulbs................... 352, 353
Turn signal lever .......................................... 158
Wattage ......................................................... 409
Fuel ...................................................................... 174 Capacity ........................................................ 403
Fuel gauge...............................................76, 80
Information ..................................................... 410
Refueling...........................................................174
Type ................................................................. 403
Warning light ...............................................367
Fuel consumption Average fuel economy .............................. 87
Current fuel consumption ........................ 87
Fuel filler door ................................................. 174 If the fuel filler door cannot be opened......................................................................... 388
Refueling...........................................................174
Fuel gauge ................................................. 76, 80
Fuses ................................................................. 349
G
Garage door opener ................................. 298
Gauges ....................................................... 76, 80
Glove box ....................................................... 286

Alphabetical index459
Rear view mirrorInside rear view mirror.............................. 127
Outside rear view mirrors ......................128
Rear window defogger ............................... 271
Refueling ........................................................... 174 Capacity .........................................................403
Fuel types.......................................................403
If the fuel filler door cannot be opened........................................................................ 388
Opening the fuel tank cap ...................... 174
Regenerative braking ................................... 60
Remote Touch .............................................. 264
Replacing Electronic key battery.............................. 347
Fuses ................................................................ 349
Light bulbs..................................................... 352
Tires .................................................................. 379
Resetting the message indicating mainte- nance is required ........................................314
Rev indicator .................................................... 82
Rev peak............................................................. 83
Road Sign Assist ............................................201
RSA (Road Sign Assist) ..............................201
S
Seat belt reminder light............................. 367
Seat belts............................................................ 24 Adjusting the seat belt................................ 26
Automatic Locking Retractor ................ 26
Child restraint system installation......... 44
Cleaning and maintaining the seat belt............................................................................ 311
Emergency Locking Retractor .............. 26
How to wear your seat belt..................... 25
How your child should wear the seat belt ............................................................................ 25
Pregnant women, proper seat belt use .............................................................................24
Reminder light and buzzer ................... 367
Seat belt extender ........................................ 25
Seat belt pretensioners ...............................27
SRS warning light ......................................365 Seat heaters ................................................... 278
Seating capacity.............................................146
Seat position memory................................... 121
Seats....................................................................120
Adjustment precautions .......................... 120
Adjustment ..................................................... 120
Child seats/child restraint system instal-lation ................................................................. 43
Cleaning ............................................................ 311
Driving position memory .......................... 121
Head restraints..............................................124
Power easy access system ...................... 121
Properly sitting in the seat ........................ 23
Seat heaters ..................................................278
Seat position memory ................................ 121
Seat ventilators ............................................278
Seat ventilators ............................................. 278
Secondary Collision Brake ..................... 253
Sensor AHB (Automatic High Beam) ............. 166
Automatic headlight system .................. 163
Inside rear view mirror ............................. 128
Intuitive parking assist .............................. 222
LTA (Lane Tracing Assist) ......................192
Parking Support Brake function (rear-crossing vehicles)...................................249
Parking Support Brake function (static objects) ........................................................ 247
Radar sensor ........................................177, 215
Rain-sensing windshield wipers ............ 171
RCTA.................................................................231
Service plug ...................................................... 62
Service reminder message .......................314
S-FLOW mode .............................................276
Shift lever Hybrid transmission................................... 154
Shift lever light .............................................. 282
Side airbags ...................................................... 28
Side marker lights..........................................163 Light switch .................................................... 163
Side mirrors .....................................................128 Adjustment ..................................................... 128