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5
1
8 7
6
5
4
3
2
PRIUS +_OM_OM47888E_(EE)6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ......................311
Hood ..................................313
Positioning a floor jack .......315
Engine compartment..........317
12-volt battery ....................327
Tires ...................................331
Tire inflation pressure ........343
Wheels ...............................345
Air conditioning filter ..........347
Wiper rubber replacement .....................349
Electronic key battery ........351
Checking and replacing fuses ................................353
Light bulbs .........................357
7-1. Essential information Emergency flashers ...........368
If your vehicle has to be stopped in an
emergency .......................369 7-2. Steps to take in an
emergency
If your vehicle needs to be towed ..................... 370
If you think something is wrong .............................. 375
If a warning light turns on or a warning buzzer
sounds ............................ 376
If a warning message is displayed ......................... 388
If you have a flat tire (vehicles with a
spare tire) ........................ 404
If you have a flat tire (vehicles without a
spare tire) ........................ 418
If the hybrid system will not start ........................... 435
If the electronic key does not operate properly ........ 437
If the 12-volt battery is discharged ...................... 439
If your vehicle overheats ........................ 444
If the vehicle becomes stuck................................ 449
7When trouble arises
Page 299 of 496
299
6Maintenance and care
PRIUS +_OM_OM47888E_(EE)6-1. Maintenance and care
Cleaning and protecting the vehicle exterior .......... 300
Cleaning and protecting the vehicle interior ........... 305
6-2. Maintenance Maintenance requirements.................... 308
6-3. Do-it-yourself maintenance Do-it-yourself service precautions ...................... 311
Hood .................................. 313
Positioning a floor jack ....... 315
Engine compartment.......... 317
12-volt battery .................... 327
Tires ................................... 331
Tire inflation pressure ........ 343
Wheels ............................... 345
Air conditioning filter .......... 347
Wiper rubber replacement ..................... 349
Electronic key battery ........ 351
Checking and replacing fuses ................................ 353
Light bulbs ......................... 357
Page 330 of 496
3306-3. Do-it-yourself maintenance
PRIUS +_OM_OM47888E_(EE)
WARNING
■ When replacing the 12-volt battery
Use a 12-volt battery designed for this vehicle. Failure to do so may cause
gas (hydrogen) to enter the passenger compartment, causing a fire or
explosion.
For replacement of the 12-volt battery, contact any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional.
■ When disconnecting the 12-volt battery
NOTICE
■When recharging the 12-volt battery
Never recharge the 12-volt battery while the hybrid system is operating.
Also, be sure all accessories are turned off.
Do not disconnect the negative (-) termi-
nal on the body side as shown. The dis-
connected negative (-) terminal may
touch the positive (+) terminal, which
may cause a short and result in death or
serious injury.
Page 392 of 496

3927-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
Indicates that the insufficient 12-volt battery
charge
→A few seconds
* after the message disap-
pears: Maintain the hybrid system opera-
tion state for approximately 15 minutes or
more to recharge the 12-volt battery.
→ If the message does not disappear: Start
the hybrid system by following the “If the
12-volt battery is discharged” procedure
(→ P. 439).
*: This is displayed for about 6 seconds.
(If equipped)
Indicates that the pre-crash safety system is not
currently functional
→ Check the grille cover and the sensor and
clean them if they are dirty.
Hybrid battery (traction battery) inspection or
replacement time.
→Have the hybrid battery (traction battery)
inspected by any authorized Toyota dealer
or repairer, or another duly qualified and
equipped professional immediately.
Hybrid system restarting will soon be disabled.
→If you continue to use the vehicle in this
state, you will soon become unable to
restart the hybrid system. Have the hybrid
battery (traction battery) inspected by any
authorized Toyota dealer or repairer, or
another duly qualified and equipped pro-
fessional immediately.
Indicates that restarting of the hybrid system is
not possible.
→Contact any authorized Toyota dealer or
repairer, or another duly qualified and
equipped professional immediately.
Warning messageDetails/Actions
(Flashes)
(Flashes)
Page 459 of 496
4598-1. Specifications
PRIUS +_OM_OM47888E_(EE)
8
Vehicle specifications
*: The fluid capacity is the quantity of reference.If replacement is necessary, contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
Electrical system
12-volt battery
Open voltage at 20 °C (68 °F):
12.5 V or higher: Fully charged
11.0 — 12.4 V: Half charged
10.9 V or lower: Discharged
(Voltage is checked 30 seconds after the
hybrid system and all lights are turned off.)
Charging rates4.2 A max.
Transmission
Fluid capacity*3.4 L (3.6 qt., 3.0 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■ Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause
deterioration in shift quality, locking up of your transmission accompanied
by vibration, and ultimately damage the transmission of your vehicle.