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1
9
8
7
6
5
4
2
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
3
7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ..........566
Cleaning and protecting
the vehicle interior ...........572
7-2. Maintenance
Maintenance
requirements....................578
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ......................581
Hood ..................................584
Positioning a floor jack .......586
Engine compartment..........587
Tires ...................................600
Tire inflation pressure ........608
Wheels ...............................610
Replacing the tire ...............612
Air conditioning filter ..........624
Wiper insert
replacement .....................628
Electronic key battery ........631
Checking and replacing
fuses ................................634
Light bulbs .........................638
8-1. Essential information
Emergency flashers .......... 646
If your vehicle has to
be stopped in an
emergency ...................... 647
If the vehicle is submerged
or water on the road
is rising ............................ 648
8-2. Steps to take in an
emergency
If your vehicle needs
to be towed ..................... 650
If you think something is
wrong .............................. 656
If a warning light turns on
or a warning buzzer
sounds ............................ 657
If a warning message is
displayed ......................... 665
If you have a flat tire .......... 673
If the hybrid system will
not start ........................... 691
If the electronic key does
not operate properly ........ 693
If the 12-volt battery is
discharged ...................... 697
If your vehicle
overheats ........................ 703
If the vehicle becomes
stuck................................ 708
7Maintenance and care8When trouble arises
Page 567 of 818
565
7Maintenance and care
Prius Plug-in Hybrid_OM_OM47E75E_(EE)7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 566
Cleaning and protecting
the vehicle interior ........... 572
7-2. Maintenance
Maintenance
requirements.................... 578
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ...................... 581
Hood .................................. 584
Positioning a floor jack ....... 586
Engine compartment.......... 587
Tires ................................... 600
Tire inflation pressure ........ 608
Wheels ............................... 610
Replacing the tire ............... 612
Air conditioning filter .......... 624
Wiper insert
replacement ..................... 628
Electronic key battery ........ 631
Checking and replacing
fuses ................................ 634
Light bulbs ......................... 638
Page 583 of 818

5817-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
7
Maintenance and care
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
12-volt battery
condition
(P. 594)• Warm water • Baking soda • Grease
• Conventional wrench (for terminal clamp bolts)
• Distilled water
Engine/power
control unit
coolant level
(P. 591)• “Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
(P. 588)• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses (P. 6 3 4 )• Fuse with same amperage rating as original
Hybrid battery
(traction battery)
air intake vent
(P. 573)
• Vacuum cleaner, etc.
• Flathead screwdriver
Light bulbs
(P. 638)
• Bulb with same number and wattage rating as origi-
nal
• Flathead screwdriver
• Wrench
Radiator and
condenser
(P. 593)
Tire inflation
pressure
(P. 608)• Tire pressure gauge
• Compressed air source
Washer fluid
(P. 598)• Water or washer fluid containing antifreeze (for win-
ter use)
• Funnel (used only for adding water or washer fluid)
Page 589 of 818
5877-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
7
Maintenance and care
Engine compar tment
IO73PH114
Engine coolant reservoir
( P. 591)
Fuse boxes ( P. 634)
Engine oil level dipstick
( P. 588)
Engine oil filler cap ( P. 589)
Washer fluid tank ( P. 598)
12-volt battery ( P. 5 9 4 )
Power control unit coolant
reservoir ( P. 5 9 1 )
Radiator ( P. 5 9 3 )
Condenser ( P. 5 9 3 )
Electric cooling fans
1
2
3
4
5
6
7
8
9
10
Page 636 of 818
6347-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
Checking and replacing fuses
Turn the power switch off.
Confirm that the charging connector is not connected. Also, do not use the
Remote Air Conditioning System during the procedure.
Open the fuse box cover.
Engine compartment type A fuse box
While pushing the 2 claws, lift
up the cover.
When closing the cover, make
sure to attach the 2 claws.
Engine compartment type B fuse box
While pushing the 3 claws, lift
up the cover.
When closing the cover, make
sure to attach the 3 claws.
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec -
essary.
1
2
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6357-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
7
Maintenance and care
Left side instrument panel (left-hand drive vehicles)
Remove the lid.
Make sure to press the claw
during removal or installation.
Left side instrument panel (right-hand drive vehicles)
Push the tab in and remove
the cover.
Unplug the connector while
pressing the lock release.
Remove the lid.
Make sure to press the claw
during removal or installation.
Remove the fuse.
Only type A fuse can be
removed using the pullout tool.
1
2
3
3
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6367-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
Check if the fuse is blown.
Normal fuse
Blown fuse
Replace the blown fuse with a new fuse of an appropriate amperage rat-
ing. The amperage rating can be found on the fuse box lid.
4
1
2
Ty pe AType B
Ty pe C
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