Page 554 of 621
PRIUS v_OM_OM47887U_(U)
5539-1. 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 556 of 621
PRIUS v_OM_OM47887U_(U)
5559-1. 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
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):
12.5 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.
Page 607 of 621

606Alphabetical index
PRIUS v_OM_OM47887U_(U)
If you have a flat tire ............. 518
If you lose your keys ............. 119
If you think something is wrong .............................. 487
If your vehicle becomes
stuck ................................... 546
If your vehicle has to be stopped in an emergency ... 481
If your vehicle needs to be towed .................................. 482
If your vehicle overheats ....... 541
Energy monitor ................ 102, 108
Engine Accessory mode ................... 174
Compartment ........................ 423
Engine switch........................ 172
Exhaust gas precautions ........ 72
Hood ..................................... 419
How to start the hybrid system ......... ....................... 172
Identification number ............ 552
If the hybrid system will not start .............................. 532
If your vehicle has to be stopped in an emergency ... 481
Ignition switch (power switch) .................... 172
Overheating .......................... 541
Power switch......................... 172 Engine coolant
Capacity................................ 555
Checking............................... 429
Preparing and checking before winter ...................... 261
Engine coolant temperature warning light.......................... 491
Engine oil
Capacity................................ 553
Checking............................... 425
Oil pressure warning light ..... 488
Preparing and checking before winter ...................... 261
Engine switch .......................... 172
Auto power off function ......... 174
Changing the power switch modes ..................... 174
If your vehicle has to be stopped in an emergency ... 481
Starting the hybrid system .... 172
Engine switch light (power switch light) .............. 371
EPS
(Electronic Power Steering) Function ................................ 244
Warning light......................... 489
EV indicator ............................... 96
EV drive mode ......................... 177
Event data recorder (EDR)........ 11
Exhaust gas precautions .......... 72