Page 557 of 624
PRIUS v_OM_OM47B23U_(U)
5579-1. Specifications
9
Vehicle specifications
*: 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.
Hybrid battery (traction battery)
Ty p eNickel-Metal hydride battery
Voltage7.2 V/module
Capacity6.5 Ah (3HR)
Quantity28 modules
Overall voltage201.6 V
Lubrication system
Oil capacity
(Drain and refill —
reference
*)
With filter
Without filter4.4 qt. (4.2 L, 3.7 Imp.qt.)
4.1 qt. (3.9 L, 3.4 Imp.qt.)
Page 559 of 624
PRIUS v_OM_OM47B23U_(U)
5599-1. Specifications
9
Vehicle specifications
Cooling system
Capacity
Gasoline
engine7.3 qt. (6.9 L, 6.1 Imp.qt.)
Power
control unit2.9 qt. (2.7 L, 2.4 Imp.qt.)
Coolant type
Use either of the following:• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol- based non-silicate, non-amine, non-
nitrite, and non-borate coolant with
long-life hybrid organic acid technology
Do not use plain water alone.
Ignition system (spark plug)
MakeDENSO SC20HR11 or SC16HR11
Gap0.043 in. (1.1 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
12-volt battery
Open voltage at 68 F (20 C):
12.0 V or higher
If the voltage is lower than the standard
value, charge the battery.
(Voltage is checked 30 seconds after the
hybrid system and all lights are turned off.)
Charging rates4.2 A max.
Page 611 of 624

611Alphabetical index
PRIUS v_OM_OM47B23U_(U)
If you have a flat tire ............. 524
If you lose your keys ............. 119
If you think something is wrong .............................. 491
If your vehicle becomes
stuck ................................... 551
If your vehicle has to be stopped in an
emergency.......................... 485
If your vehicle needs to be towed .................................. 486
If your vehicle overheats ....... 546
Energy monitor ................ 102, 108
Engine Accessory mode ................... 177
Compartment ........................ 428
Engine switch........................ 174
Exhaust gas precautions ........ 73
Hood ..................................... 424
How to start the hybrid system ......... ....................... 174
Identification number ............ 556
If the hybrid system will not start .............................. 537
If your vehicle has to be stopped in an
emergency.......................... 485
Ignition switch (power switch) .................... 174
Overheating .......................... 546
Power switch......................... 174 Engine coolant
Capacity................................ 559
Checking............................... 434
Preparing and checking before winter ...................... 265
Engine coolant temperature warning light.......................... 495
Engine oil
Capacity................................ 557
Checking............................... 430
Oil pressure warning light ..... 492
Preparing and checking before winter ...................... 265
Engine switch .......................... 174
Auto power off function ......... 178
Changing the power switch modes ..................... 177
If your vehicle has to be stopped in an
emergency ......................... 485
Starting the hybrid system .... 174
Engine switch light (power switch light) .............. 375
EPS (Electronic Power Steering)Function ................................ 248
Warning light......................... 493
EV indicator ............................... 96
EV drive mode ......................... 181
Event data recorder (EDR)........ 11
Exhaust gas precautions .......... 73