Page 417 of 600

4177-3. Do-it-yourself maintenance
7
Maintenance and care
PRIUS c_U
Washer fluid (P. 430)
• Water  or  washer  fluid  containing  antifreeze
(for winter use)
• 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
● Vehicles without a smart key system: Make sure that the power s witch is in
the “LOCK” position and the “READY” indicator is off.
Vehicles  with  a  smart  key  system:  Make  sure  that  the  indicator  on  the
power switch and the “READY” indicator are both off.
● Keep  hands,  clothing  and  tools  away  from  the  moving  fan  and  eng ine
drive belt.
● 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 r ags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes
are flammable.
■ When working near the electric  cooling fan or radiator grille
Vehicles  without  a  smart  key  system:  The  electric  cooling  fan  m ay  keep
rotating  for  about  3  minutes  even  after  the  power  switch  is  tur ned  to  the
“LOCK” position.
With  the  power  switch  in  the  “ON”  position,  the  electric  coolin g  fan  may
automatically start to run if the air conditioning is on and/or the coolant tem-
perature  is  high.  Be  sure  the  power  switch  is  in  the  “LOCK”  position  when
working near the electric cooling fan or radiator grille.
Vehicles  with  a  smart  key  system: The  electric  cooling  fan  may  keep  rotat-
ing for about 3 minutes even after the power switch is off.
With  the  power  switch  in  ON  mode,  the  electric  cooling  fan  may  automati-
cally start to run if the air conditioning is on and/or the coolant temperature
is high. Be sure the power switch is off when working near the  electric cool-
ing fan or radiator grille.
ItemsCheck points 
     
        
        Page 418 of 600
4187-3. Do-it-yourself maintenance
PRIUS c_U
WARNING
■Safety glasses
Wear  safety  glasses  to  prevent  flying  or  falling  material,  fluid  spray,  etc.
from getting in your eyes.
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. 
     
        
        Page 419 of 600
4197-3. Do-it-yourself maintenance
7
Maintenance and care
PRIUS c_U
Pull the hood lock release lever.
The hood will pop up slightly.
Pull  up  the  auxiliary  catch  lever
and lift the hood.
Hold the hood open by inserting
the supporting rod into the slot.
Hood
Release the lock from the inside of the vehicle to open the hood.
1
2
3 
     
        
        Page 420 of 600
4207-3. Do-it-yourself maintenance
PRIUS c_U
WARNING
■Pre-driving check
Check that the hood is fully closed and locked. 
If the hood is not locked properly, it may open while the vehic le is in motion
and cause an accident, which may result in death or serious inj ury.
■ After installing the sup port rod into the slot
Make sure the rod supports the hood securely from falling down  on to your
head or body.
NOTICE
■ When closing the hood
Be sure to return the support rod to its clip before closing th e hood. Closing
the hood with the support rod up could cause the hood to bend. 
     
        
        Page 421 of 600
4217-3. Do-it-yourself maintenance
7
Maintenance and care
PRIUS c_U
◆Front
◆Rear
Positioning a floor jack
When  using  a  floor  jack,  follow  the  instructions  in  the  manual
provided with the jack and perform the operation safely.
When raising your vehicle with a floor jack, position the jack  cor-
rectly.  Improper  placement  may  damage  your  vehicle  or  cause
injury. 
     
        
        Page 422 of 600
4227-3. Do-it-yourself maintenance
PRIUS c_U
Engine compartment
Fuse boxes (P.   4 5 4 )
Engine oil filler cap ( P.   4 2 4 )
Engine coolant radiator cap
Power control unit 
coolant reservoir ( P.   4 2 6 )
Brake fluid reservoir ( P.   4 2 8 )
Engine coolant reservoir  ( P.   4 2 6 ) Engine/power  control  unit
coolant radiator (
P. 428)
Electric cooling fan
Condenser ( P. 428)
Engine oil level dipstick ( P. 423)
Washer fluid tank ( P. 430)1
2
3
4
5
6
7
8
9
10
11 
     
        
        Page 423 of 600
4237-3. Do-it-yourself maintenance
7
Maintenance and care
PRIUS c_U
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
■Checking the engine oil
Park  the  vehicle  on  level  ground.  After  warming  up  the  engine
and  turning  off  the  hybrid  system,  wait  more  than  5  minutes  for
the oil to drain back into the bottom of the engine.
Holding  a  rag  under  the  end,
pull the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully.
Holding  a  rag  under  the  end,  pull  the  dipstick  out  and  check  th e
oil level.
Low
Normal
Excessive
The  shape  of  the  dipstick
may  differ  depending  on  the
type of vehicle or engine.
Wipe the dipstick and reinsert it fully.
Engine oil
1
2
3
4
5
1
2
3
6 
     
        
        Page 424 of 600

4247-3. Do-it-yourself maintenance
PRIUS c_U■
Adding engine oil
If  the  oil  level  is  below  or  near
the  low  level  mark,  add  engine
oil  of  the  same  type  as  that
already in the engine.
Make  sure  to  check  the  oil  type  and  prepare  the  items  needed
before adding oil.
Remove the oil fille r cap by turning it counterclockwise.
Add engine oil slowly,  checking the dipstick.
Install the oil filler cap  by turning it clockwise.
■Engine oil consumption
A certain amount of engine oil will be consumed while driving.  In the following
situations,  oil  consumption  may  increase,  and  engine  oil  may  ne ed  to  be
refilled in between oil maintenance intervals.
● When the engine is new, for example directly after purchasing t he vehicle or
after replacing the engine
● If low quality oil or oil of an inappropriate viscosity is used
● When  driving  at  high  engine  speeds  or  with  a  heavy  load,  or  when  driving
while accelerating or decelerating frequently
● When  leaving  the  engine  idling  for  a  long  time,  or  when  driving   frequently
through heavy traffic
Engine oil selection P. 539
Oil quantity
(Low  Full) 1.6 qt. (1.5 L, 1.3 Imp. qt.)
Item
Clean funnel
1
2
3