Page 750 of 820

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PRIUS_OM_OM47B89U_(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-CY9
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):
12.0 V or higher
If the voltage is lower than the standard
value, charge the battery. (After charging
the battery, turn on the high beam head-
lights for 30 seconds with the power switch
off, and turn the headlights off.)
Charging rates5 A max.
Page 776 of 820
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PRIUS_OM_OM47B89U_(U)
9-2. Customization
■Automatic light control system (→P. 248)
*: This function cannot be customized for vehicles sold in Canada.
■
Rain-sensing windshield wipers* ( → P. 262)
*: If equipped
■
Intuitive parking assist* ( → P. 339)
*: If equipped
FunctionDefault
settingCustomized setting
Time elapsed before the
headlights turn off 30 secondsOff
–OO
60 seconds
90 seconds
Light sensor sensitivityLevel 0Level -2 to 2–OO
Daytime running lights*OnOff–OO
123
FunctionDefault
settingCustomized setting
Wiper operation when the
wiper switch is in the “AUTO”
positionRain-sensing operation
Intermittent
operation
linked to vehi- cle speed
(with interval adjuster)
––O
123
FunctionDefault
settingCustomized setting
Detection distance of the front
center sensorsFarNear––O
Detection distance of the rear
center sensorsFarNear––O
Buzzer volume31 to 5––O
123
Page 808 of 820

808Alphabetical index
PRIUS_OM_OM47B89U_(U)
Front turn signal lightsReplacing light bulbs............. 656
Turn signal lever ................... 246
Wattage ................................ 754
Fuel
Capacity ................................ 747
Fuel gauge ............................ 108
Gas station information ......... 820
Information ............................ 755
Refueling............................... 268
Type ...................................... 747
Warning light ......................... 675
Fuel filler door.......................... 268 Opener .................................. 270
Refueling............................... 268
When the fuel filler door cannot be opened............... 271
Fuses ........................................ 649
Gas station information .......... 820
Garage door opener ................ 567
Glove box ................................. 542
Hands-free system (for cellular phone)................ 474
Head restraints ........................ 195
Head-up display ....................... 146
Headlights ................................ 248 Automatic High Beam system ......... ....................... 253
Headlight aim ................ 652, 794
Light switch ........................... 248
Replacing light bulbs............. 660
Heaters
Automatic air conditioning system ....... ................. 516, 526
Outside rear view
mirrors ........................ 520, 530
Seat heaters ......................... 536 High coolant
temperature
warning light.......................... 675
High mounted stoplight Replacing.............................. 660
Hill-start assist control ........... 409
Hood ......................................... 601
Hooks Cargo hooks ......................... 547
Coat hooks ........................... 565
Grocery bag hook ................. 548
Retaining hooks (floor mat) .... 26
Horn .......................................... 198
Hybrid battery (traction battery) Location .................................. 82
Specification ......................... 747
Hybrid battery (traction battery)
air intake vent .................. 83, 637
Hybrid system............................ 78 Brake Override System ........ 215
Drive-Start Control ................ 216
Emergency shut off system .......... ..................... ... 83
Energy monitor/consumption
screen ................ 117, 153, 158
EV drive mode ...................... 237
High voltage components ....... 82
Hybrid System Indicator ....... 119
Hybrid system precautions ..... 82
Hybrid vehicle driving tips ..... 415
If the hybrid system will not start .............................. 724
Overheating .......................... 735
Power switch ........................ 231
Regenerative braking ............. 80
Starting the hybrid system .... 231
Vehicle proximity notification system................ 79
Hybrid System Indicator ......... 119
Hybrid transmission................ 240
G
H