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473
LX570_OM_OM60Q78U_(U) 6-3. Do-it-yourself maintenance
6
Maintenance and care
Engine compartment
Power steering fluid reservoir
( → P. 481)
Engine oil level dipstick
( → P. 475)
Engine coolant reservoir
( → P. 478)
Engine oil filler cap ( → P. 476) Brake fluid reservoir ( → P. 479)
Fuse box ( → P. 505)
Washer fluid tank ( → P. 485)
Battery ( → P. 482)
Cooling fans
Condenser ( → P. 479)
Radiator ( → P. 479)1
2
3
4 5
6
7
8
9
10
11
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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.
Page 506 of 628
506
LX570_OM_OM60Q78U_(U) 6-3. Do-it-yourself maintenance
Remove the fuse with the pull-out tool.
Only type A fuse can be removed using
the pull-out tool.
Check if the fuse is blown.
Normal fuse
Blown fuse 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 and D:
Contact your Lexus dealer. 3
4
1
2
Type A
Type B
Type C
Type D
Page 507 of 628

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.
Page 618 of 628

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