Page 387 of 552

3877-3. Do-it-yourself maintenance
7
Maintenance and care
PRIUS c_U (OM52E68U)■
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 filler 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 need to be
refilled in between oil maintenance intervals.
●When the engine is new, for example directly after purchasing the 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. 493
Oil quantity
(Low Full) 1.6 qt. (1.5 L, 1.3 Imp. qt.)
Item
Clean funnel
1
2
3
Page 388 of 552

3887-3. Do-it-yourself maintenance
PRIUS c_U (OM52E68U)
WARNING
■Used engine oil
●Used engine oil contains potentially harmful contaminants which may
cause skin disorders such as inflammation and skin cancer, so care
should be taken to avoid prolonged and repeated contact. To remove used
engine oil from your skin, wash thoroughly with soap and water.
● Dispose of used oil and filters only in a safe and acceptable manner. Do
not dispose of used oil and filters in household trash, in sewers or onto the
ground. Call your Toyota dealer, service station or auto parts store for
information concerning recycling or disposal.
● Do not leave used engine oil within the reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■ When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
● Avoid overfilling, or the engine could be damaged.
● Check the oil level on the dipstick every time you refill the vehicle.
● Be sure the engine oil filler cap is properly tightened.
Page 493 of 552

4939-1. Specifications
9
Vehicle specifications
PRIUS c_U (OM52E68U)
*: The engine oil capacity is a reference quantity to be used when changingthe engine oil. Warm up the engine and turn off the hybrid system, wait
more than 5 minutes, and check the oil level on the dipstick.
■
Engine oil selection
“Toyota Genuine Motor Oil” is used in your Toyota vehicle. Use
Toyota approved “Toyota Genuine Motor Oil” or equivalent to satisfy
the following grade and viscosity.
Oil grade: ILSAC GF-5 multigrade engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice
for good fuel economy and
good starting in cold weather.
If SAE 0W-20 is not available,
SAE 5W-20 oil may be used.
However, it must be replaced
with SAE 0W-20 at the next oil
change.
Hybrid battery (traction battery)
Type Nickel-metal hydride battery
Voltage7.2 V/module
Capacity 6.5 Ah (3HR)
Quantity20 modules
Overall voltage 144 V
Lubrication system
Oil capacity (Drain and
refill reference
*)
With filter
Without filter 3.9 qt. (3.7 L, 3.3 Imp. qt.)
3.6 qt. (3.4 L, 3.0 Imp. qt.)
Outside temperature
Page 544 of 552

544Alphabetical index
PRIUS c_U (OM52E68U)
Eco drive mode ........................ 197
Electric power steering ........... 232
Electronic keyIf the electronic key does not operate properly ........... 476
Emergency flashers Switch ................................... 430
Emergency, in case of If a warning buzzer sounds........................ 441, 449
If a warning light
turns on .............................. 441
If a warning message is displayed ............................ 449
If the electronic key does not operate properly ........... 476
If the hybrid system will
not start .............................. 473
If the shift lever cannot be shifted from P ................ 475
If the vehicle becomes stuck ................................... 487
If the vehicle 12-volt
battery is discharged .......... 478
If you have a flat tire ............ 462
If you lose your keys ............. 120
If you think something is wrong.................................. 440
If your vehicle has to be stopped in an
emergency.......................... 431
If your vehicle needs to be towed............................. 433
If your vehicle overheats ....... 483 Engine
Compartment ........................ 385
Engine switch ............... 182, 186
Hood ..................................... 382
How to start the hybrid
system ........................ 182, 186
Identification number ............ 491
If the hybrid system will not start .............................. 473
Ignition switch ............... 182, 186
Overheating .......................... 483
“POWER” switch................... 186
Engine coolant Capacity................................ 494
Checking............................... 389
Preparing and checking
before winter ...................... 241
Engine oil Capacity................................ 493
Checking............................... 386
Preparing and checking before winter ...................... 241
Engine/power control unit coolantCapacity................................ 494
Checking............................... 389
Preparing and checking before winter ...................... 241
Engine switch .................. 182, 186
EPS ........................................... 232
EV drive mode ......................... 193
Event data recorder................... 10
Exclusive jump starting terminal .................... 478
E