2023 TOYOTA PRIUS PRIME fuses

5TABLE OF CONTENTS
1
2
3
4
5
6
7
8
9
10
Electronic key battery....538
Checking and replacing fuses............................ 540
Headlight aim ................ 542
Exterior lights ................ 543
8-1. Essential information Emergency flashers ...... 546
If your vehicle has to be stopped in an emergency.................................... 547
If the vehicle is submerged or water on the road is rising.................................... 548
8-2. Steps to take in an emer- gency
If your vehicle needs to be towed........................... 550
If you think something is wrong .......................... 554
If a warning light turns on or a warning buzzer sounds.................................... 555
If a warning message is dis- played.......................... 566
If you have a flat tire...... 574
If the hybrid system will not start ............................. 584
If you lose your keys ..... 586
If the electronic key does not operate properly .......... 587
If the 12-volt battery is dis- charged ....................... 589
If your vehicle overheats 594
If the vehicle becomes stuck .................................... 5979-1. Specifications
Maintenance data (fuel, oil level, etc.) .................... 600
Fuel information............. 607
Tire information ............. 609
9-2. Customization Customizable features... 618
9-3. Initialization Items to initialize ............ 634
10-1.For owners Reporting safety defects for U.S. owners ................. 636
Reporting safety defects for Canadian owners ........ 637
Seat belt instructions for Canadian owners (in
French) ........................ 637
SRS airbag instructions for Canadian owners (in
French) ........................ 639
Headlight aim instructions for Canadian owners (in
French) ........................ 646
What to do if... (Trouble- shooting) ..................... 648
Alphabetical Index ........ 650
8When trouble arises
9Vehicle specifications
10For owners
Index

485
7
7
Maintenance and care
Maintenance and care
7-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 486
Cleaning and protecting the vehicle interior ........... 490
7-2. Maintenance Maintenance requirements.................................. 494
General maintenance.. 495
Emission inspection and maintenance (I/M) pro-
grams ........................ 498
7-3. Do-it-yourself mainte- nance
Do-it-yourself service pre- cautions ..................... 499
Hood ........................... 501
Positioning a floor jack 502
Engine compartment ... 504
12-volt battery ............. 511
Tires ............................ 513
Replacing the tire ........ 526
Tire inflation pressure . 532
Wheels ......... ...............534
Air conditioning filter .... 535
Electronic key battery.. 538
Checking and replacing fuses.......................... 540
Headlight aim .............. 542
Exterior lights .............. 543

4997-3. Do-it-yourself maintenance
7
Maintenance and care
7-3.Do-it-yourself maintenance
Do-it-yourself service
precautions
If you perform maintenance
by yourself, be sure to fol-
low the correct procedure as
given in these sections.
Maintenance
ItemsParts and tools
12-volt bat-
tery condi-
tion
( P.513)•Grease
• Conventional
wrench (for termi-
nal clamp bolts)
Brake fluid
level
( P.509)
• 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.507)
• “Toyota Super
Long Life Cool-
ant” or a similar
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 Cool-
ant” is pre-mixed
with 50% coolant
and 50% deion-
ized water.
For Canada:
“Toyota Super
Long Life Cool-
ant” is pre-mixed
with 55% coolant
and 45% deion-
ized water.
• Funnel (used only for adding coolant)
Engine oil
level
( P.504)
• “Toyota Genuine
Motor Oil” or
equivalent
• Rag or paper towel
• Funnel (used only for adding engine
oil)
Fuses
( P.540)• Fuse with same
amperage rating
as original
Headlight aim
( P.542)• Phillips-head
screwdriver
ItemsParts and tools

5407-3. Do-it-yourself maintenance
1Turn the power switch off.
Confirm that the charging connec-
tor is not connected.
2Open the fuse box cover.
Engine compartment:
Push claw and to com-
pletely release the lock, and then lift
up the cover.
Left side instrument panel
Remove the lid.
Right side luggage compart-
ment
Open the deck board. ( P.454)
Hold the handle and pull it toward
you, and then the 3 clips will be dis-
engaged
3 Remove the fuse.
Only type A fuse can be removed
Checking and replac-
ing fuses
If any of the electrical com-
ponents do not operate, a
fuse may have blown. If this
happens, check and replace
the fuses as necessary.
Checking and replacing
fuses
AB

5417-3. Do-it-yourself maintenance
7
Maintenance and care
using the pullout tool.
4Check if the fuse is blown.
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 A
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 in stalled securely.
●If the lights do not turn on even
after the fuse has been replaced,
a lights may need replacement.
( P.543)
●If the replaced fuse blows again,
have the vehicle inspected by
your Toyota dealer.
■If there is an overload in a cir-
cuit
The fuses are designed to blow,
protecting the wiring harness from
damage.
■When replacing an electronic
component, such as a lights,
etc.
Toyota recommends that you use
genuine Toyota products designed
for this vehicle.
Because certain electronic compo-
nents are connected to circuits
designed to prevent overload, non-
genuine parts not designed for this
vehicle may be unusable.
A
B
A
B
A
B

5427-3. Do-it-yourself maintenance
Adjustment bolt A
Adjustment bolt B
 Make sure the vehicle has a
full tank of gasoline and the
area around the headlight is
not deformed.
 Park the vehicle on level
ground.
 Make sure the tire inflation
pressure is at the specified
level.
 Have someone sit in the
driver’s seat.
 Bounce the vehicle several
times.
WARNING
■To prevent system break-
downs and vehicle fire
Observe the following precau-
tions.
Failure to do so may cause dam-
age to the vehicle, and possibly a
fire or injury.
●Never use a fuse of a higher
amperage rating than that indi-
cated, or use any other object in
place of a fuse.
●Always use a genuine Toyota
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 over-
load determined and repaired by
your Toyota dealer as soon as
possible.
■To prevent damage to the
engine compartment fuse box
cover
When opening the fuse box, com-
pletely release the claw locks
before lifting up the cover. Other-
wise, the claws may be damaged.
Headlight aim
Vertical movement adjust-
ing bolts
Before checking the head-
light aim
A
B

Alphabetical Index655
Fuel .......................................... 279Capacity ............................... 601
Fuel gauge ........................... 155
Information ........................... 607
Refueling .............................. 279
Type ............................. 601, 607
Warning light ........................ 562
Fuel filler door ..... ................... 280
Opener switch ...................... 280
Refueling .............................. 279
Fuel gauge .............................. 155
Fuses ....................................... 540
G
Garage door opener ............... 477
Gauges .................................... 155
Glove box ................................ 451
H
Headlights ............................... 269 AHB (Automatic High Beam) 272
Headlight aim ....................... 542
Replacing exterior lights ....... 543
Switch................................... 269
Headlights aim ........................ 542
Head restraints ....................... 212
Heated steering wheel ........... 443
Heaters Automatic air conditioning sys-tem ..................................... 434
Heated steering wheel ......... 443
Hybrid battery (traction battery) ........................................... 108
Outside rear view mirrors ..... 436
Seat heaters ......................... 443
High mounted stoplight Replacing exterior lights ....... 543
High voltage components ....... 83
Hill-start assist control .......... 424
Hood ........................................ 501
Hooks Cargo hooks .........................454
Retaining hooks (floor mat) ....28
Horn .........................................215
HV mode ....................................73
Hybrid battery (traction battery) .................................................83Charging ...............................116
Location ..................................83
Specification .........................602
Hybrid battery (traction battery) charge mode ...........................75
Hybrid system ...........................72 ACC ......................................254
Acoustic Vehicle Alerting System.............................................81
Brake Override System ........240
Drive-Start Control (DSC) .....245
Emergency shut off system ....87
Energy monitor/consumption screen.................................173
High voltage components .......83
How to start the hybrid system ...........................................251
Hybrid System Indicator .......155
If the hybrid system will not start ...........................................584
If your vehicle has to be stopped in an emergency .................547
Ignition switch (power switch) ...........................................251
Overheating ..........................594
Plug-in Hybrid Electric Vehicle driving tips ............................88
Plug-in hybrid system precau- tions ......................................83
Power (ignition) switch .........251
Regenerative braking .............78
Starting the hybrid system ....251
Hybrid System Indicator ........155
I
I/M test .....................................498

Alphabetical Index659
Door lock linked window opera-tion ..................................... 228
Jam protection function ........ 227
Operation ............................. 227
Window lock switch .............. 229
P position switch .................... 257
Pre-Collision System (PCS) Function ............................... 293
Warning light ........................ 558
Predictive efficient drive .......... 81
R
Radar cruise control Dynamic radar cruise control 331
Radiator ................................... 508
RCD (Rear Camera Detection) ............................................... 378Function ............................... 378
RCTA (Rear Cross Traffic Alert) ............................................... 373
RCTA Function ............................... 373
Rear Cross Traffic Alert (RCTA) ............................................... 373
Rear doors .............................. 185 Opener switch ...................... 188
Rear door child-protector lock........................................... 189
Rear seat reminder function . 188
Rear passengers’ seat belt reminder light ....................... 562
Rear seats ............................... 210 Folding down the rear seatbacks........................................... 210
Head restraints ..................... 212
Rear seat reminder function . 188
Seat heaters ......................... 443
Rear side marker lights ......... 269 Replacing exterior lights ....... 543
Switch................................... 269
Rear turn signal lights ........... 262 Replacing exterior lights ....... 543 Turn signal lever ...................262
Rear view mirror Digital Rear-view Mirror ........217
Inside rear view mirror ..........216
Outside rear view mirrors .....225
Rear window defogger ...........436
Refueling ............ .....................279
Capacity ...............................601
Fuel types .....................601, 607
Opening the fuel tank cap ....280
Regeneration Boost ...............260
Regenerative braking ...............78 Regeneration Boost..............260
Replacing Electronic key battery ...........538
Exterior lights........................543
Fuses....................................540
Tires .....................................526
Wireless remote control battery...........................................538
Replacing the tire ...................526
Reporting safety defects for Canadian owners ..................637
Reporting safety defects for U.S. owners ...................................636
Resetting the message indicat- ing maintenance is required 495
Road accident cautions ...........85
Road Sign Assist ....................329
RSA (Road Sign Assist) .........329
S
Safe Exit Assist.. .....................359
Safety Connect .........................65
Seat belt reminder light..........562
Seat belts...................................31 Adjusting the seat belt shoulder anchor height........................33
Automatic Locking Retractor ..33
Child restraint system installation .............................................55
Cleaning and maintaining the