2020 Lexus ES350 fuse

4TABLE OF CONTENTS
6-3. Do-it-yourself maintenanceDo-it-yourself service precautions............................................................ 310
Hood................................................... 312
Positioning a floor jack................ 312
Engine compartment................... 314
Tires ................................................... 320
Tire inflation pressure ................. 329
Wheels............................................... 331
Air conditioning filter..................333
Electronic key battery ................ 334
Checking and replacing fuses 336
Headlight aim................................. 338
Light bulbs ....................................... 339
7-1. Essential information Emergency flashers..................... 344
If your vehicle has to be stopped in an emergency ............................. 344
If the vehicle is trapped in rising water............................................... 345
7-2. Steps to take in an emergency If your vehicle needs to be towed........................................................... 347
If you think something is wrong ........................................................... 350
Fuel pump shut off system ......... 351
If a warning light turns on or a warn- ing buzzer sounds ..................... 352
If a warning message is displayed ........................................................... 362
If you have a flat tire..................... 366
If the engine wi ll not start .......... 373
If you lose your keys .................... 375If the fuel filler door cannot be
opened .......................................... 375
If the electronic key does not oper- ate properly ................................. 376
If the battery is discharged ....... 378
If your vehicle overheats ............ 381
If the vehicle becomes stuck ... 383
8-1. Specifications Maintenance data (fuel, oil level, etc.) ................................................. 386
Fuel information............................ 393
Tire information ............................ 395
8-2. Customization Customizable features .............. 404
8-3. Items to initialize Items to initialize ............................ 415
9-1. For owners Reporting safety defects for U.S. owners ............................................ 418
Seat belt instructions for Canadian owners (in French) .................... 418
SRS airbag instructions for Cana- dian owners (in French) ......... 420
Headlight aim instructions for Canadian owners (in French) 426
What to do if... (Troubleshooting) .......................................................... 430
Alphabetical index ..................... 43
3
7When trouble arises
8Vehicle specifications
9For owners
Index

299
6
6
Maintenance and care
Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 300
Cleaning and protecting the vehi- cle interior ................................. 303
6-2. Maintenance Maintenance requirements .. 305
General maintenance ............. 306
Emission inspection and mainte- nance (I/M) programs ......... 309
6-3. Do-it-yourself maintenance Do-it-yourself service precautions......................................................... 310
Hood................................................ 312
Positioning a floor jack............. 312
Engine compartment................ 314
Tires ................................................ 320
Tire inflation pressure .............. 329
Wheels............................................ 331
Air conditioning filter...............333
Electronic key battery ............. 334
Checking and replacing fuses ........................................................ 336
Headlight aim.............................. 338
Light bulbs .................................... 339

3016-1. Maintenance and care
6
Maintenance and care
■Front side windows water-repellent
coating
●The following precautions can extend the
effectiveness of the water-repellent coat-
ing.
• Remove any dirt, etc. from the front side
windows regularly.
• Do not allow dirt and dust to accumulate on the windows for a long period.
Clean the windows with a soft, damp
cloth as soon as possible.
• Do not use wax or glass cleaners that
contain abrasives when cleaning the win-
dows.
• Do not use any metallic objects to
remove condensation build up.
●When the water-repellent performance
has become insufficie nt, the coating can
be repaired. Contact your Lexus dealer.
■Plated portions
If dirt cannot be removed, clean the parts as
follows:
●Use a soft cloth dampened with an
approximately 5% solution of neutral
detergent and water to clean the dirt off.
●Wipe the surface with a dry, soft cloth to
remove any remaining moisture.
●To remove oily deposits, use alcohol wet
wipes or a similar product.
WARNING
■When washing the vehicle
Do not apply water to the inside of the
engine compartment. Doing so may
cause the electrical components etc. to
catch fire.
■When cleaning the windshield (vehi-
cles with rain-sensing windshield wip-
ers)
Set the wiper switch to off.
If the wiper switch is in “AUTO”, the wip-
ers may operate unexpectedly in the fol-
lowing situations, and may result in hands
being caught or other serious injuries
and cause damage to the wiper blades.
Off
AUTO
●When the upper part of the windshield
where the raindrop sensor is located is
touched by hand
●When a wet rag or similar is held close
to the raindrop sensor
●If something bumps against the wind-
shield
●If you directly touch the raindrop sen-
sor body or if something bumps into
the raindrop sensor
■Precautions regarding the exhaust
pipes and rear bumper diffusers
As exhaust gases cause the exhaust
pipes and rear bumper diffusers to
become quite hot, do not touch the
exhaust pipes and rear bumper diffusers
while the engine is running or immedi-
ately after the engine is turned off.
When washing the vehicle, be careful not
to touch the exhaust pipes and rear
bumper diffusers until they have cooled
sufficiently, as touching hot exhaust pipes
and rear bumper diffusers can cause
burns.
A
B

3106-3. Do-it-yourself maintenance
6-3.Do-it-yourself maintenance
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
Battery condi-
tion (P.318)
•Warm water
•Baking soda
•Grease
• Conventional wrench
(for terminal clamp
bolts)
Brake fluid
level ( P.317)
• 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 coolant
level ( P.316)
•“Toyota Super Long Life
Coolant” or a similar
high quality ethylene
glycol-based non-sili-
cate, 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% 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.314)
•“Toyota Genuine Motor
Oil” or equivalent
•Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses
( P.336)• Fuse with same amper-
age rating as original
Headlight aim• Phillips-head screw-driver
Light bulbs
( P.339)
•Bulb with same number
and wattage rating as
original
• Flathead sc rewdriver
Radiator and
condenser
( P.317)

ItemsParts and tools

3146-3. Do-it-yourself maintenance
Fuse box (P.336)
Engine oil filler cap ( P.315)
Engine oil level dipstick ( P.314)
Battery ( P.318)
Brake fluid reservoir ( P.317)
Radiator ( P.317)
Electric cooling fan
Condenser ( P.317)
Engine coolant reservoir ( P.316)
Washer fluid tank ( P.319)
With the engine at operating tempera-
ture and turned off, check the oil level on the dipstick.
■Checking the engine oil
1 Park the vehicle on level ground.
After warming up the engine and turning it
Engine compartment
Components
A
B
C
D
E
F
G
H
I
J
Checking and adding the engine
oil

3366-3. Do-it-yourself maintenance
1Turn the engine 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

3376-3. Do-it-yourself maintenance
6
Maintenance and care
Normal fuse
Blown fuse
Type BNormal fuse
Blown fuse
Type CNormal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure that the
tab is installed securely.
●If the lights do not turn on even after the
fuse has been replaced, a bulb may need
replacement. ( P.339)
●If the replaced fuse blows again, have the
vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting
the wiring harness from damage.
■When replacing light bulbs
Lexus recommends that you use genuine
Lexus products designed for this vehicle.
Because certain bulbs are connected to cir-
cuits designed to prevent overload, non-
genuine parts or parts not designed for this
vehicle may be unusable.A
B
A
B
A
B
WARNING
■To 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.
●Never use a fuse of a higher amperage
rating than that 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 wire, even
as a temporary fix.
●Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload
determined and repaired by your Lexus
dealer as soon as possible.

3747-2. Steps to take in an emergency
The battery terminal connections
may be loose or corroded.
The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key battery
depletion or a blown fuse. However, an
interim measure is available to start the
engine.
One of the following may be the cause
of the problem:
 One or both of the battery terminals
may be disconnected.
 The battery may be discharged.
( P.378)
 There may be a malfunction in the
steering lock system.
Contact your Lexus dealer if the problem
cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the
following steps can be used as an
interim measure to start the engine if
the engine switch is functioning nor-
mally: 1
Press the parking brake switch to
check that the parking brake is set.
(P.152)
Parking brake indicator will come on.
2 Shift the shift lever to P.
3 Turn the engine switch to ACCES-
SORY mode.
4 Press and hold the engine switch
for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be started using
the above steps, the system may be
malfunctioning. Have the vehicle
inspected by your Lexus dealer.
The starter motor does not turn
over
The starter motor does not turn
over, the interior lights and head-
lights do not turn on, or the horn
does not sound.
Starting the engine in an emer-
gency