Do-it-yourself maintenance for Your Toyota Prius 4 Door Fourth Generation (2016-2022)

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6-3. Do-it-yourself maintenance  
Do-it-yourself service precautions  
If you perform maintenance by yourself, be sure to follow the  
correct procedure as given in these sections.  
Items  
Parts and tools  
12-volt battery  
condition  
(P. 512)  
• Grease  
• Conventional wrench (for terminal clamp bolts)  
• SAE J1703 or FMVSS No.116 DOT 3 or SAE J1704  
or FMVSS No.116 DOT 4 brake fluid  
Brake fluid level  
(P. 516)  
• Rag or paper towel  
• Funnel (used only for adding brake fluid)  
• “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  
Engine/power  
control unit cool-  
ant level  
For the U.S.A.:  
Toyota Super Long Life Coolant” is pre-mixed with  
50% coolant and 50% deionized water.  
(P. 510)  
For Canada:  
Toyota Super Long Life Coolant” is pre-mixed with  
55% coolant and 45% deionized water.  
• Funnel (used only for adding coolant)  
• “Toyota Genuine Motor Oil” or equivalent  
• Rag or paper towel  
Engine oil level  
(P. 507)  
• Funnel (used only for adding engine oil)  
• Fuse with same amperage rating as original  
Fuses (P. 551)  
Hybrid battery  
(traction battery)  
air intake vent  
(P. 539)  
• Vacuum cleaner, etc.  
• Phillips screwdriver  
• Bulb with same number and wattage rating as origi-  
nal  
Light bulbs  
(P. 556)  
• Phillips screwdriver  
• Flathead screwdriver  
• Wrench  
Radiator and con-  
denser (P. 512)  
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501  
6-3. Do-it-yourself maintenance  
Parts and tools  
Items  
Tire inflation  
pressure  
(P. 530)  
• Tire pressure gauge  
• Compressed air source  
• Water or washer fluid containing antifreeze (for win-  
ter use)  
Washer fluid  
(P. 518)  
• Funnel (used only for adding water or washer fluid)  
WARNING  
The engine compartment contains many mechanisms and fluids that may  
move suddenly, become hot, or become electrically energized. To avoid death  
or serious injury, observe the following precautions.  
When working on the engine compartment  
Make sure that the “Accessory”, “Ignition ON” or mileage display  
(P. 116) on the main display and the “READY” indicator are both off.  
Keep hands, clothing and tools away from the moving fan.  
Be careful not to touch the engine, power control unit, radiator, exhaust  
manifold, etc. right after driving as they may be hot. Oil and other fluids  
may also be hot.  
Do not leave anything that may burn easily, such as paper and rags, in the  
engine compartment.  
Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes  
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are flammable.  
When working near the electric cooling fans or radiator grille  
Be sure the power switch is off.  
With the power switch in ON mode, the electric cooling fans may automati-  
cally start to run if the air conditioning is on and/or the coolant temperature  
is high. (P. 512)  
Safety glasses  
Wear safety glasses to prevent flying or falling material, fluid spray, etc.  
from getting in your eyes.  
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6-3. Do-it-yourself maintenance  
NOTICE  
If you remove the air cleaner filter  
Driving with the air cleaner filter removed may cause excessive engine wear  
due to dirt in the air.  
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