2020 TOYOTA PRIUS PLUG-IN HYBRID check oil

6407-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
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 any authorized Toyota reta iler or Toyota authorized repairer,
or any reliable repairer, 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.

7017-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
7
Maintenance and care
WARNING
■ Replacing light bulbs
● Be sure to stop the hybrid system and turn off the lights. Do not attempt to
replace the bulb immediately after turning off the lights.
The bulbs become very hot and may cause burns.
● Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
● Fully install light bulbs and any parts used to secure them. Failure to do so
may result in heat damage, fire, or water entering the light unit. This may
damage the back-up lights or cause condensation to build up on the lens.
● Do not attempt to repair or disassemble light bulbs, connectors, electric
circuits or component parts.
Doing so may result in death or serious injury due to electric shock.
● Do not replace the right-hand back-up light immediately after the vehicle
has been driven.
After the vehicle has been driven the exhaust pipe will be extremely hot,
and touching the exhaust pipe may result in burns.
● Use gloves and other protection to prevent injuries on vehicle parts.
There is the danger of being injured on the edges of parts.
■ To prevent damage or fire
● Make sure bulbs are fully seated and locked.
● Check the wattage of the bulb before installing to prevent heat damage.

7268-2. Steps to take in an emergency
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
●If a message or image about an open/close state of a part or replenishment
of a consumable is shown
Confirm the part indicated by the multi-information display or a warning light,
and then perform the coping method such as closing the open door or
replenishing a consumable.
■ If “See Owner’s Manual” is shown
● If “Braking Power Low Stop in a Safe Place See Owner’s Manual” is shown,
this may be a malfunction. Immediately stop the vehicle in a safe place and
contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer. Continuing to drive the vehicle may be dangerous.
● If “Engine Oil Pressure Low” is shown, this may be a malfunction. Immedi-
ately stop the vehicle in a safe place and contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
● If the following messages are shown, there may be a malfunction. Immedi-
ately have the vehicle inspected by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
• “Plug-in charging system malfunction.”
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Smart Entry & Start System Malfunction See Owner’s Manual”
● If “Exhaust Filter Full See Owner’s Manual” is shown on the multi-informa-
tion display is shown, follow the instruction. ( P. 5 5 8 )
■ If “Shift System Not Active Apply Parking Brake Securely While Parking
See Owner’s Manual” is shown
Indicates a temporary operation failure or malfunction in the shift control sys-
tem. Immediately have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 729)
■ If “Shift System Malfunction Apply Parking Brake Securely While Park-
ing See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediately have the vehi-
cle inspected by any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 729)

7298-2. Steps to take in an emergency
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
8
When trouble arises
■ If “Engine Oil Level Low Add or Replace” is displayed
The engine oil level may be low. Check the level of the engine oil, and add
engine oil if necessary. This message may be displayed if the vehicle is
stopped on a slope. Move the vehicle to a level surface and check if the mes-
sage disappears.
■ If “Accelerator and Brake Pedals Pressed Simultaneously” is shown
The accelerator and brake pedals are being depressed simultaneously.
( P. 360)
Release the accelerator pedal and depress the brake pedal.
■ If a message that indicates the malfunction of front camera is displayed
The following systems may be suspended until the problem shown in the
message is resolved. ( P. 416, 714)
● PCS (Pre-Collision System)
● LTA (Lane Tracing Assist)
● AHS (Adaptive High-beam System)
● RSA (Road Sign Assist)
● Dynamic radar cruise control with full-speed range
■ If “Radar Cruise Control Unavailable See Owner’s Manual” is shown
The dynamic radar cruise control with full-speed range system is suspended
temporarily or until the problem show n in the message is resolved. (causes
and coping methods: P. 416)
■ If “Radar Cruise Control Unavailable” is shown
The dynamic radar cruise control with full-speed range system cannot be
used temporarily. Use the system when it becomes available again.
■ If the shift position cannot be changed or the power switch is turned to
ACCESSORY mode even if trying to turn the power switch off when a
warning message is shown
If the 12-volt battery is discharged or the shift control system is malfunction-
ing, the followings may occur.
● The shift position may not be changed to P.
When parking, stop the vehicle on level ground and apply the parking brake
firmly.
● The hybrid system may not start.
● The power switch may be turned to ACCESSORY mode even if trying to
turn the power switch off.
In this case, the power switch may be turned off after applying the parking
brake.
● The automatic P position selection function (P. 382) may not operate.
Before turning the power switch off, be sure to press the P position switch
and check that the shift position is in P by the shift position indicator or P
position switch indicator.

7739-1. Specifications
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
9
Vehicle specifications
Generation/traction motor
Traction motor
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference quantity to be used when changing
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, and
check the oil level on the dipstick.
Electric motor (generation motor/traction motor)
Ty p ePermanent magnet synchronous motor
Maximum output22.5 kW
Maximum torque40 N•m (4.1 kgf•m, 29.5 ft•lbf)
Ty p ePermanent magnet synchronous motor
Maximum output53 kW
Maximum torque163 N•m (16.6 kgf•m, 120.2 ft•lbf)
Hybrid battery (traction battery)
Ty p eLithium-ion battery
Voltage3.7 V/cell
Capacity25 Ah
Quantity95 cells
Nominal voltage351.5 V
Lubrication system
With filter4.2 L (4.4 qt., 3.7 Imp.qt.)
Without filter3.9 L (4.1 qt., 3.4 Imp.qt.)

803Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Emergency brake signal ......... 560
Emergency flashers................. 704
Emergency brake signal ....... 560
Emergency tire puncture
repair kit ................................. 731
Energy monitor ................ 233, 272
Engine
Accessory mode ................... 375
Compartment ........................ 637
Engine switch ........................ 373
Exhaust gas precautions......... 50
Hood ..................................... 634
How to start the hybrid
system ................................ 373
Identification number............. 772
If the hybrid system will not
start..................................... 749
If your vehicle has to be
stopped in an emergency ... 705
Ignition switch (power
switch) ................................ 373
Overheating .......................... 761
Power switch ......................... 373
Engine coolant ......................... 641
Capacity ................................ 776
Checking ............................... 641
Preparing and checking
before winter....................... 566Engine oil ................................. 638
Capacity ................................ 773
Checking ............................... 638
Oil pressure warning light ..... 715
Preparing and checking
before winter....................... 566
Engine switch (power
switch) .................................... 373
Auto power off function ......... 375
Changing the power switch
modes................................. 375
If your vehicle has to be
stopped in an emergency ... 705
Starting the hybrid system .... 373
EPS (Electronic Power
Steering)................................. 560
Function ................................ 560
Warning light ......................... 715
EV City mode switch ................. 98
EV driving range ...................... 119
EV mode ..................................... 95
EV/HV mode selection
switch ....................................... 98
Exhaust gas precautions .......... 50

808Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Navigation system*
Odometer .................................. 224
Oil
Engine oil .............................. 773
Opener
Back door .............................. 288
Fuel filler door ....................... 403
Hood ..................................... 634
Outside rear view mirrors ....... 350
Adjustment ............................ 350
BSM (Blind Spot Monitor) ..... 473
Folding .................................. 350
Outside rear view mirror
defoggers............................ 577
Outside temperature
display .................................... 222
Overhead console.................... 598
Overheating .............................. 761
P position switch ..................... 380
Panoramic view monitor
*
Parking assist sensors
Parking Support Brake
function ............................... 510
S-IPA (Simple Intelligent
Parking Assist System)....... 523
Toyota parking
assist-sensor ...................... 499Parking brake ........................... 386
Operation .............................. 386
Parking brake engaged
warning buzzer ................... 386
Parking lock ............................. 380
Parking Support Brake
function .................................. 510
PCS (Pre-Collision System) .... 418
Enabling/disabling the
system ................................ 422
Function ................................ 418
Warning light ......................... 716
Personal lights ......................... 591
Switch ................................... 592
Wattage ................................ 779
Plug-in hybrid system ............... 94
Driving tips ............................ 115
EV City mode .......................... 95
EV driving range ................... 119
EV mode ................................. 95
EV/HV mode selection
switch ................................... 98
Features.................................. 94
How to charge....................... 165
HV mode ................................. 95
Hybrid battery (traction
battery) charge mode ........... 95
Power control unit coolant ..... 641
Capacity ................................ 776
Checking ............................... 641
Preparing and checking
before winter....................... 566
Radiator ................................ 643
N
O
P

814Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Warning lights .......................... 215
ABS ....................................... 715
Brake Override System ......... 719
Brake system ........................ 714
Charging system ................... 714
Drive-Start Control ................ 719
Driver’s seat belt reminder
light ..................................... 717
Electronic engine control
system ................................ 715
Electric power steering
system ................................ 715
Front passenger’s seat belt
reminder light...................... 717
High coolant temperature...... 716
Low engine oil pressure ........ 715
Low fuel level ........................ 717
Malfunction indicator lamp .... 715
Master warning light .............. 717
Open door ............................. 717
Parking Support Brake
function ............................... 719
PCS....................................... 716
PKSB OFF indicator.............. 717
Rear passengers’ seat belt
reminder light...................... 717
Seat belt reminder light ......... 717
Slip indicator ......................... 716
SRS....................................... 715
Tire pressure ......................... 718
Warning messages .................. 723Warning reflector storage
space ...................................... 602
Washer...................................... 398
Checking ............................... 648
Preparing and checking
before winter....................... 566
Switch ................................... 398
Washing and waxing ............... 616
Water-repellent coating........... 617
Wheels ...................................... 667
Replacing wheels.................. 669
Size ....................................... 779
Window glasses....................... 352
Window lock switch ................ 352
Windows ................................... 352
Power windows ..................... 352
Rear window defogger .......... 577
Washer ................................. 398
Windshield wipers ................... 398
Handling the wiper arms ....... 621
Rain-sensing windshield
wipers ................................. 398
Replacing the wiper insert .... 685
Winter driving tips ................... 566
Wiper insert replacement........ 685
Wireless charger...................... 607
Wireless remote control.......... 278
Battery-Saving Function ....... 295
Locking/Unlocking................. 283
Remote Air Conditioning
System ............................... 585
Replacing the battery ............ 688