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PRIUS_OM_OM47B54U_(U)
9-1. Specifications
*: The coolant capacity is a reference quantity.If replacement is necessary, contact your Toyota dealer.
Cooling system
Capacity*
Gasoline
engine6.3 qt. (6.0 L, 5.3 Imp.qt.)
Power
control unit1.5 qt. (1.4 L, 1.2 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 FC16HR-C9
Gap0.035 in. (0.9 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 rates5 A max.
Page 783 of 796

783Alphabetical index
PRIUS_OM_OM47B54U_(U)
If you have a flat tire ............. 670
If you lose your keys ..... 161, 164
If you think something is wrong .............................. 652
If your vehicle becomes
stuck ................................... 719
If your vehicle has to be stopped in an
emergency.......................... 645
If your vehicle needs to be towed .................................. 646
If your vehicle overheats ....... 714
Energy monitor ................ 117, 153
Engine Accessory mode ................... 227
Compartment ........................ 590
Engine switch........................ 225
Exhaust gas precautions ........ 56
Hood ..................................... 587
How to start the hybrid system ......... ....................... 225
Identification number ............ 724
If the hybrid system will not start .............................. 703
If your vehicle has to be stopped in an
emergency.......................... 645
Ignition switch (power switch) .................... 225
Overheating .......................... 714
Power switch......................... 225 Engine coolant
Capacity................................ 728
Checking............................... 594
Preparing and checking before winter ...................... 412
Engine oil Capacity................................ 726
Checking............................... 591
Oil pressure warning light ..... 653
Preparing and checking before winter ...................... 412
Engine switch .......................... 225 Auto power off function ......... 227
Changing the power switch modes ..................... 227
If your vehicle has to be stopped in an
emergency ......................... 645
Starting the hybrid system .... 225
EPS
(Electronic Power Steering) Function ................................ 402
Warning light......................... 654
EV indicator ............................. 119
EV drive mode ......................... 231
Event data recorder (EDR) ........................................ 11
Exhaust gas precautions .......... 56
Page 785 of 796

785Alphabetical index
PRIUS_OM_OM47B54U_(U)
High coolant temperature
warning light .......................... 655
High mounted stoplight Replacing .............................. 641
Hill-start assist control............ 403
Hood ......................................... 587
Hooks Cargo hooks ......................... 532
Coat hooks............................ 550
Grocery bag hook ................. 533
Retaining hooks (floor mat)..... 26
Horn .......................................... 192
Hybrid battery (traction battery) Location .................................. 82
Specification ......................... 725
Hybrid battery (traction battery)
air intake vent .......................... 83
Hybrid system ............................ 78 Brake Override System......... 209
Drive-Start Control ................ 210
Emergency shut off system ......... ......................... 83
Energy monitor/consumption
screen......................... 117, 153
EV drive mode ...................... 231
High voltage components ....... 82
Hybrid System Indicator........ 119
Hybrid system precautions ..... 82
Hybrid vehicle driving tips ..... 409
If the hybrid system will not start .............................. 703
Overheating .......................... 714
Power switch......................... 225
Regenerative braking.............. 80
Starting the hybrid system .... 225
Vehicle proximity notification system ................ 79
Hybrid System Indicator ......... 119
Hybrid transmission ................ 234 I/M test ...................................... 583
Identification
Engine .................................. 724
Vehicle .................................. 723
Ignition switch
(Power switch)....................... 225 Auto power off function ......... 227
Changing the power switch modes ..................... 227
If your vehicle has to be stopped in an
emergency ......................... 645
Starting the hybrid system .... 225
Illuminated entry system ........ 525
Immobilizer system ................... 89
Indicators ................................. 100
Initialization
Intelligent Clearance Sonar.................................. 354
Items to initialize ................... 756
Maintenance data ................. 578
Moon roof ............................. 204
Power windows..................... 199
S-APGS (Simple Advanced
Parking Guidance
System) .............................. 382
Tire pressure warning
system .......... ...................... 607
Inside rear view mirror ............ 194
Instrument cluster light control ...................................... 94
Intelligent Clearance Sonar .... 344
Interior lights ........................... 523 Switch ........................... 524, 525
Wattage ................................ 732
Intuitive parking assist ........... 333I
Page 791 of 796

791Alphabetical index
PRIUS_OM_OM47B54U_(U)
Smart key system .................... 176Antenna location ................... 176
Entry functions ...................... 165
Starting the hybrid system .... 225
Snow tires ................................ 412
“SOS” button ........................... 559
Spare tire Inflation pressure .................. 730
Storage location .................... 671
Spark plug ................................ 728
Specifications .......................... 722
Speedometer ............................ 108
SRS airbags ............................... 36
Steering wheel Adjustment ............................ 192
Audio switches ...................... 422
Meter control switches ............ 93
Telephone switches .............. 482
TRIP switch............................. 93
Stop/tail lights .......................... 641
Storage feature ........................ 526
Storage precautions ................ 526
Stuck
If the vehicle becomes stuck ................................... 719
Sun visors ................................ 540
Sunshade Moon roof.............................. 203 Switch
Audio remote control
switches ............................. 422
Automatic High Beam switch ................................. 247
Cruise control switch .... 298, 313
Door lock switches................ 167
Driving mode select switch ................................. 318
Emergency flashers switch ................................. 644
Engine switch ....................... 225
EV drive mode switch ........... 231
Fog light switch ..................... 252
Garage door opener switches ............................. 552
“HUD” (Head-up display)
switch ................................. 146
Ignition switch ....................... 225
LDA (Lane Departure Alert with steering control)) ......... 291
Light switch ........................... 242
Moon roof switches............... 202
Meter control switches ............ 93
Outside rear view mirror switches ............................. 196