2009 TOYOTA PRIUS engine

472 6-1. Specifications
PRIUS_U_(OM47614U)
NOTICE
■Notice on fuel quality
● Do not use improper fuels. If improper fuels are used the engine will be
damaged.
● Do not use leaded gasoline.
Leaded gasoline can cause damage to your vehicle’s three-way catalytic
converters causing the emission control system to malfunction.
● Do not use gasohol other than that stated here.
Other gasohol may cause fuel system damage or vehicle performance
problems.
● Using unleaded gasoline with an octane number or rating lower than that
stated here will cause persistent heavy knocking.
At worst, this will lead to engine damage.
■ Fuel-related p oor driveability
If after using a different type of fuel, poor driveability is encountered (poor
hot starting, vaporization, engine knocking, etc.), discontinue the use of that
type of fuel.
■ When refueling with gasohole
Take care not to spill gasohol. It can damage your vehicle’s paint.

479
6-1. Specifications
6
Vehicle specifications
PRIUS_U_(OM47614U)
Warning: The temperature grades for this tire are established for a
tire that is properly inflated and not overloaded.
Excessive speed, underinflation, or
excessive loading, either sepa-
rately or in combination, can caus e heat buildup and possible tire fail-
ure.
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressure Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressure The maximum cold inflated
pressure to which a
tire may be inflated, s hown on the sidewall of
the tire
Recommended
inflation pressure Cold tire inflation pressure recommended by a
manufacturer.
Accessory weight The combined weight (in excess of those stan-
dard items which may be replaced) of trans-
mission, power steering, power brakes, power
windows, power seats, radio and heater, to the
extent that these items
are available as factory-
installed equipment (whether installed or not)
Curb weight The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded
vehicle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight 150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
* that
follows

489
6
Vehicle specifications
PRIUS_U_(OM47614U)
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Power window • After reconnecting or changing the
12 volt battery
• After changing a fuse P. 7 6
Engine oil mainte-
nance data • After changing engine oil
P. 365
Tire pressure warning
system • When rotating the tires on vehicles
differing with front and rear tire infla-
tion pressures.
• When changing the tire inflation pressure by changing traveling
speed or load weight, etc.
• When changing the tire size. P. 377
After reconnecting or performing
maintenance on the 12 volt battery,
the following items must be initia lized for normal system operation.

499
Alphabetical index
PRIUS_U_(OM47614U)
How your child should wear
the seatbelt .......................... 67
Installing child restraints ....... 111
Power window lock switch ...... 76
Power window precautions..... 78
Removed electronic key battery
precautions ........................ 393
Seat belt precautions.............. 68
Back door ............................... 56
Cleaning Exterior ................................. 342
Interior .................................. 344
Seat belts ............................. 345
Clock ........................................ 328
Condenser ............................... 369
Console box............................. 320
Cooling system Hybrid system overheating ... 454
Cruise control Cruise control ....................... 159
Cup holders ............................. 322
Curtain shield airbags .............. 89
Customizable features ............ 486
Daytime running light system ................................... 153
Defogger
Rear window......................... 213
Side mirror ............................ 213
Dimension ................................ 460
Dinghy towing ......................... 178
Display Touch screen........................ 182
Trip information ...................... 27
Do-it-yourself maintenance .... 353
Door courtesy lights ............... 315
Door pocket ............................. 323
Doors Door lock .................... 36, 49, 51
Rear door child protector ........ 52 Driver’s seat belt reminder
light .........................................426
Driving
break-in tips...........................123
Correct posture .......................87
Procedures ............................122
Winter driving tips..................173
Electronic key Replacing battery ..................392
When the electronic key battery is discharged...........448
Electric Power Steering ...........166
Emergency flashers
Switch....................................412
Emergency, in case of If a warning light turns on ......423
If the electronic key does not
operate properly..................448
If the hybrid system will not start .....................................446
If the 12 volt battery is discharged .........................449
If you have a flat tire .............436
If you lose your keys .............447
If you think something is wrong ..................................420
If your vehicle becomes stuck ...................................457
If your vehicle needs to be
towed ..................................413
If your vehicle overheats .......454
Engine
Compartment ........................360
Hood......................................357
How to start the hybrid system ................................132
If the hybrid system will not start ...............................446
Overheating...........................454
“POWER” switch ...................132
D
E

500 Alphabetical index
PRIUS_U_(OM47614U)
Engine compartment cover..... 361
Engine/inverter coolantCapacity ................................465
Checking ............................... 367
Preparing and checking before winter ....................... 173
Engine oil Capacity ................................464
Checking ............................... 361
Preparing and checking before winter ....................... 173
Engine oil maintenance
data ......................................... 365
Enhanced VSC (Vehicle Stability Control).................... 166
Event data recorder .................421
Floor mats.................................332
Fluid Brake .....................................369
Washer .................................. 374
Fog lights Switch.................................... 155
Wattage .................................469
Front passenger occupant classification system ............101
Front passenger’s seat belt
reminder light.........................426
Front seats Adjustment .............................. 57
Front turn signal lights Wattage .................................469
Fuel
Capacity ................................462
Fuel gauge ............................ 145
Gas station information .........508
Information ............................ 470
Refueling ................................. 79
Type ......................................470
Fuel door.....................................79
Fuel filler door ............................ 79
Fuses......................................... 394 Garage door opener ................ 336
Gas station information .......... 508
Gauges...................................... 145
Glove box ................................. 320
Hands-free system
(for cellular phone) ................ 269
Hazard lights
Switch ................................... 412
Head restraints........................... 62
Headlights Discharge headlights precautions ......................... 410
Replacing light bulbs ............. 403
Switch ................................... 152
Wattage................................. 469
Heaters
Side mirror ............................ 213
Hood.......................................... 357
Hooks Cargo .................................... 333
Horn .......................................... 144
Hybrid system Emergency shut off system..... 27
Energy monitor /
consumption screen ............. 27
High-voltage components ....... 26
Power switch ......................... 132
Illuminated entry system......... 315
Immobilizer system ................... 82
I/M test ...................................... 352
Identification Engine ................................... 461
Vehicle .................................. 461
Ignition switch.......................... 132
Indicator lights ......................... 148
Initialization Items to initialize ................... 489
Inside rear view mirror .............. 72
Instrument panel light control .................................... 146
F
G
H
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501
Alphabetical index
PRIUS_U_(OM47614U)
Interior lights
Interior lights ......................... 317
Switch ................................... 317
Wattage ................................ 469
Jack Positioning a floor jack ......... 358
Vehicle-equipped jack .......... 436
Jack handle.............................. 436
Keys Electronic key ......................... 49
If you lose your keys............. 447
If your electronic key ............ 448
Key number plate ................... 35
Keyless entry .......................... 36
Keys ....................................... 34
“POWER” switch .................. 132
Mechanical key....................... 34
Wireless remote control key ... 49
Light bulbs Replacing ............................. 403
Wattage ................................ 469
Lights
Emergency flasher switch .... 412
Fog light switch..................... 155
Hazard light switch ............... 412
Headlights switch ................. 152
Interior lights list ................... 315
Replacing light bulbs ............ 403
Turn signal lever ................... 142
Vanity lights .......................... 327
Wattage ................................ 469
Load capacity .......................... 172
Maintenance Do-it-yourself maintenance ...................... 353
General maintenance ........... 349 Maintenance data..................460
Maintenance
requirements .......................347
Meter Instrument panel light control .................................146
Meters ...................................145
Mirrors Inside rear view mirror.............72
Side mirror heater .................213
Side mirrors .............................74
Vanity mirrors ........................327
MP3 disc ...................................250
Odometer ..................................145
Oil Engine oil ..............................361
Opener Fuel filler door .........................79
Hood......................................357
Back door ................................54
Outside rear view mirrors Adjusting and folding ...............74
Outside temperature
display ....................................185
Overheating, Hybrid system ....................................454
Parking brake ...........................143
Parking lights Replacing light bulbs .............403
Switch....................................152
Wattage .................................469
Personal lights .........................317
Power outlet .............................329
Power windows ..........................76
Radiator ....................................369
Radio .........................................221
RDS (Radio Data System) .......223
J
K
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M
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P
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508
PRIUS_U_(OM47614U)
GAS STATION INFORMATION
ITYPP012
Auxiliary catch leverP. 357Fuel filler doorP. 7 9
Hood lock release lever
P. 357Fuel filler door opener
P. 7 9Tire inflation pressureP. 468
Fuel tank capacity11.9 gal. (45 L, 9.9 lmp.gal.)
Fuel typeUnleaded gasoline only P. 80, 462
Cold tire inflation
pressureP. 4 6 8
Engine oil capacity
(Drain and refill)qt. (L, Imp.qt.)
With filter 3.9 (3.7, 3.3)
Without filter 3.6 (3.4, 3.0)
Engine oil type
“Toyota Genuine Motor Oil” or equivalent
Oil grade: ILSAC multigrade engine oil P. 464
Recommended oil viscosity: SAE 5W-30