2018 LEXUS LX570 fuses

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LX570_OM_OM60Q78U_(U) 96-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ................ 458
Cleaning and protecting
the vehicle interior....................461
6-2. Maintenance
Maintenance
requirements ............................ 464
General mainte nance.............. 466
Emission inspection and
maintenance (I/M)
programs.................................... 469
6-3. Do-it-yourself maintenance
Do-it-yourself service
precautions................................ 470
Hood ................................................472
Engine compartment ............... 473
Tires ................................................. 486
Tire inflation pressure .............. 495
Wheels ........................................... 499
Air conditioning filter ................ 501
Electronic key battery..............503
Checking and replacing
fuses..............................................505
Light bulbs ....................................508 7-1. Essential information
Emergency flashers ................... 510
If your vehicle has to be
stopped in an emergency ...... 511
7-2. Steps to take in an emergency
If your vehicle needs
to be towed .................................512
If you think something is
wrong............................................ 518
Fuel pump shut off system........519
If a warning light turns
on or a warning buzzer
sounds ......................................... 520
If a warning message is
displayed .................................... 528
If you have a flat tire .................. 532
If the engine will not start ........ 544
If the electronic key does
not operate properly ............. 546
If the vehicle battery is
discharged................................. 549
If your vehicle overheats......... 552
If the vehicle becomes
stuck ............................................. 5556
Maintenance and care 7
When trouble arises

457
LX570_OM_OM60Q78U_(U) 6Maintenance and care 6-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ................458
Cleaning and protecting
the vehicle interior................... 461
6-2. Maintenance
Maintenance
requirements ............................ 464
General maintenance.............. 466
Emission inspection and
maintenance (I/M)
programs .................................... 469
6-3. Do-it-yourself maintenance
Do-it-yourself service
precautions................................ 470
Hood ............................................... 472
Engine compartment ............... 473
Tires .................................................486
Tire inflation pressure............... 495
Wheels ........................................... 499
Air conditioning filter ................ 501
Electronic key battery ..............503
Checking and replacing
fuses ............................................. 505
Light bulbs.................................... 508

470
LX570_OM_OM60Q78U_(U) 6-3. Do-it-yourself maintenance
Do-it-yourself service precautions If you perform maintenance yourself, be sure to follow the correct procedures
as given in these sections. Items Parts and tools
Battery condition
( → P. 482) •Warm water • Baking soda •Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( → P. 479) • FMVSS No.116 DOT 3 or SAE J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant level
( → P. 478) • “Toyota Super Long Life Coolant” or similar high quality eth-
ylene glycol-based non-silicate, non-amine, non-nitrite and
non-borate coolant with long-l ife hybrid organic acid tech-
nology.
For the U.S.A.:
“Toyota Super Long Life Coolan t” is pre-mixed with 50 %
coolant and 50 % deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed with 55 %
coolant and 45 % deionized water.
• Funnel (used only for adding coolant)
Engine oil level
( → P. 475) • “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( → P. 505) • Fuse with same amperage rating as original
Power steering fluid
level ( → P. 481) • Automatic transmission fluid DEXRON ®
II or III
• Rag or paper towel
• Funnel (used only for adding power steering fluid)
Radiator and
condenser
( → P. 479) ⎯
Tire inflation
pressure ( → P. 495) • Tire pressure gauge • Compressed air source
Washer fluid
( → P. 485) • Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)

505
LX570_OM_OM60Q78U_(U) 6-3. Do-it-yourself maintenance
6
Maintenance and care
Checking and replacing fuses Turn the engine switch off.
Open the fuse box cover. 
Passenger’s side instrument panel
Remove the cover.
Remove the lid.If any of the electrical components do not operate, a fuse may have blown. If
this happens, check and repl ace the fuses as necessary.1
2 
Engine compartment 
Driver’s side instrument panel
Push the tab in and lift the lid off. Remove the lid.

LX570_OM_OM60Q78U_(U) 5076-3. Do-it-yourself maintenance
6
Maintenance and care ■
After a fuse is replaced ●
If the lights do not turn on even after the fuse has been replaced, a bulb may need
replacement. ( → P. 508)●
If the replaced fuse blows again, have th e vehicle inspected by your Lexus dealer.■
If there is an overload in a circuit
The fuses are designed to blow, protec ting the wiring ha rness from damage.
WARNING ■
To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to th e vehicle, and possibly a fire or injury.●
Never use a fuse of a higher amperage rati ng than indicated, or use any other object
in place of a fuse. ●
Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wi re, even as a temporary fix.●
Do not modify the fuses or the fuse boxes.
NOTICE ■
Before replacing fuses
Have the cause of electrical overload dete rmined and repaired by your Lexus dealer,
as soon as possible.

618 Alphabetical index
LX570_OM_OM60Q78U_(U) Front passenger occupant
classification system ............................ 50
Front passenger’s seat belt
reminder light ..................................... 522
Front seats ................................................ 140
Adjustment ............................................. 140
Cleaning .................................................. 461
Correct driving posture .................... 28
Driving position memory .................. 151
Head restraints ..................................... 155
Power easy access system .............. 151
Seat heaters ........................................... 415
Seat ventilators ..................................... 415
Front side marker lights ....................... 221
Light switch ............................................. 221
Replacing light bulbs ....................... 508
Front turn signal lights .......................... 217
Turn signal lever ................................... 217
Replacing light bulbs ....................... 508
Fuel ............................................................. 566
Capacity ................................................ 560
Fuel gauge ............................................... 88
Fuel pump shut off system.............. 519
Gas station information ................. 628
Information ........................................... 566
Refueling.................................................239
Type ......................................................... 560
Warning light ....................................... 522 Fuel consumption information..........105
Fuel filler door........................................ 239
Opener ................................................... 240
Refueling ................................................ 239
Fuel pump shut off system .................. 519
Fuses.......................................................... 505
Gas station information ..................... 628
Garage door opener.......................... 445
Gauges........................................................ 88
Glove box ................................................. 421
Hands-free system
(for cellular phone)
* Head restraints........................................ 155
Headlight cleaner ................................ 238
Headlights ................................................. 221
Automatic headlight leveling ....... 223
Automatic High Beam system ... 224
Light switch............................................. 221
Replacing light bulbs ...................... 508
Head-up display .................................... 100
Heated steering wheel ........................ 414
Heaters
Front automatic air conditioning
system .................................................. 399
Outside rear view mirrors ............405
Seat heaters ............................................415
High mounted stoplight
Replacing .............................................. 508 G
H

622 Alphabetical index
LX570_OM_OM60Q78U_(U) Power steering
Fluid.......................................................... 564
Power windows .......................................165
Jam protection function ................... 165
Operation ............................................... 165
Window lock switch.......................... 165
Radar cruise control (dynamic
radar cruise control with
full-speed range) ............................... 269
Radiator .................................................... 479
Radio
* Rear air conditioning system ............ 410
Rear seat .................................................... 142
Adjustment ..............................................142
Folding the third seats ...................... 145
Tumbling the second seats ............ 143
Rear side marker lights ........................ 221
Light switch ............................................. 221
Replacing light bulbs ....................... 508
Rear turn signal lights ........................... 217
Replacing light bulbs ....................... 508
Turn signal lever ................................... 217
Rear view mirror
Inside rear view mirror ..................... 160
Outside rear view mirrors .............. 162
Rear view monitor system
*Rear window defogger ...................... 405
Rear window wiper.............................. 235
Refueling .................................................. 239
Capacity ................................................ 560
Fuel types .............................................. 560
Opening the fuel tank cap.............239 Remote touch/12.3-inch
display .................................................... 392
Replacing
Electronic key battery .....................503
Fuses ....................................................... 505
Light bulbs............................................ 508
Tires .......................................................... 532
Reporting safety defects for
U.S. owners ......................................... 596
Resetting the message indicating
maintenance is required ................ 465
Safety Connect ......................................452
Scheduled maintenance ....................464
Seat belts .................................................... 30
Adjusting the seat belt........................ 33
Automatic Locking Retractor ........ 34
Child restraint system
installation ............................................. 62
Cleaning and maintaining the
seat belt ............................................... 462
Emergency locking retractor ......... 34
How to wear your seat belt............. 28
How your child should wear
the seat belt .......................................... 34
Pregnant women, proper seat
belt use ................................................... 35
Reminder light and buzzer ........... 522
Seat belt extender ................................ 34
Seat belt pretensioners...................... 33
SRS warning light ..............................520R
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