2009 TOYOTA PRIUS battery

452 5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
■When the 12 volt battery is removed or discharged
The following systems must be initialized.
● Power windows (
P. 76)
● The hybrid system may not start. ( P. 446)
CAUTION
■Avoiding 12 volt battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flam-
mable gas that may be emitted from the 12 volt battery.
● Make sure the jumper cable is connected to the correct terminal and that it
is not unintentionally in contact with any part other than the intended termi-
nal.
● Do not allow the jumper cables to come into contact with the “+” and “-” ter-
minals.
● Do not allow open flame or use matc hes, cigarette lighters or smoke near
the 12 volt battery.
■ 12 volt battery precautions
The 12 volt battery contains poisonous and corrosive acidic electrolyte, while
related parts contain lead and lead compounds. Observe the following pre-
cautions when handling the 12 volt battery:
● When working with the 12 volt battery, always wear safety glasses and
take care not to allow any battery fluids (acid) to come into contact with
skin, clothing or the vehicle body.
● Do not lean over the 12 volt battery.
● In the event that battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention
can be received.
● Always wash your hands after handling the battery support, terminals, and
other battery-related parts.
● Do not allow children near the 12 volt battery.

5
When trouble arises
453
5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
NOTICE
■
To prevent damaging the vehicle
The exclusive jump starting terminal is to be used when charging the 12 volt
battery from another vehicle in an emergency. It cannot be used to jump start
another vehicle.
■ When handling jumper cables
Be careful that the jumper cables do not become tangled in the cooling fan
or any of the belts when connecting or disconnecting them.

463
6-1. Specifications
6
Vehicle specifications
PRIUS_U_(OM47614U)
Electric motor (Traction motor)
Hybrid battery (Traction battery)
Ty p ePermanent magnet synchronous motor
Maximum output 50 kW
Maximum torque 400 N•m (40.8 kgf•m, 295 ft•lbf)
Ty p eNickel-Metal hydride battery
Voltage
7.2 V/module
Capacity6.5 Ah (3HR)
Quantity 28 modules
Overall voltage 201.6 V

466 6-1. Specifications
PRIUS_U_(OM47614U)
Electrical system
Transmission
12 volt battery
Open voltage at
68F (20 C): 12.6 
12.8 V Fully charged
12.2  12.4 V Half charged
11 . 5  11.9 V Discharged
(Voltage is checked 20 minutes after
the hybrid system and all lights are
turned off.)
Charging rates 3.5 A max.
Fluid capacity
Drain and refill3.8 qt. (3.6 L, 3.2 lmp.qt.)
Fluid type Toyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause
deterioration in shift quality, locking up of your transmission accompanied by
vibration, and ultimately damage the transmission of your vehicle.

480 6-1. Specifications
PRIUS_U_(OM47614U)
Tire related termMeaning
Occupant distribution Distribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
Rim A metal support for a tire or a tire and tube
assembly upon which the tire beads are seated
Rim diameter
(Wheel diameter) Nominal diameter of the bead seat
Rim size designation Rim diameter and width
Rim type designation The industry manufacturer’s designation for a
rim by style or code
Rim width Nominal distance between rim flanges
Vehicle capacity
weight (Total load
capacity) The rated cargo and luggage load plus 150 lb.
(68 kg) times the vehicle’s designated seating
capacity
Vehicle maximum load
on the tire The load on an individual tire that is determined
by distributing to each axle its share of the
maximum loaded vehicle weight, and dividing
by two
Vehicle normal load
on the tire The load on an individual tire that is determined
by distributing to each axle its share of curb
weight, accessory weight, and normal occu-
pant weight (distributed in accordance with
Ta b l e 1
* below), and dividing it by two
Weather side The surface area of the rim not covered by the
inflated tire

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.

498
PRIUS_U_(OM47614U)
Alphabetical index
Alphabetical index
A/C .............................................197
ABS ...........................................166
Air conditioning systemAir conditioning filter ..............390
Automatic air conditioning system ................................197
Steering wheel climate remote control switches ......211
Airbags Airbag operating conditions.....92
Airbag precautions for your child ...................................... 96
Airbag warning light............... 424
Curtain shield airbag precautions ...........................96
Front passenger occupant classification system ...........101
General airbag precautions .....96
Locations of airbags ................89
Modification and disposal of airbags ................................100
Side airbag precautions .......... 96
Side and curtain shield airbags operating conditions..............92
SRS airbags ............................ 89
Alarm ........................................... 84
Antenna.....................................227
Armrest .....................................331
Audio input ............................... 265
Audio system Antenna .................................227
CD player/changer ................235
MP3/WMA disc......................250
Optimal use ...........................259
Portable music player............265
Radio .....................................221
Steering switches .................. 266
Automatic headlight leveling system .................................... 152
Automatic light control system .................................... 152
AUX adapter ............................. 265
Auxiliary boxes ........................324 Back-up lights
Wattage................................. 469
Back door Back door ................................ 54
Wireless remote control .......... 49
Smart key system .. ................. 36
Battery Checking ............................... 371
Hybrid battery
(traction battery) ................... 26
If the vehicle 12 volt battery is discharged .......................... 449
Preparing and checking before winter ....................... 173
Bluetooth
®................................ 269
Brake Fluid ...................................... 369
Parking brake ........................ 143
Brake assist.............................. 166
Break-in tips ............................. 123
Care Exterior.................................. 342
Interior ................................... 344
Seat belts .............................. 345
Cargo capacity ......................... 169
Cargo hooks ............................. 333
CD player/changer ................... 235
Chains ....................................... 175
Child-protectors ......................... 52
Child restraint system Definition ............................... 107
Installation ............................. 111
Installing CRS with lower anchorages ......................... 112
Installing CRS with seatbelts ............................. 114
Installing CRS with top
straps .................................. 117
Child safety Airbag precautions .................. 96
Child restraint system ........... 107
Child-protectors....................... 52
AB
C

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
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