Page 539 of 621

5388-2. Steps to take in an emergency
PRIUS v_OM_OM47887U_(U)
Make sure the “READY” indicator comes on. If the indicator light
does not come on, contact your Toyota dealer.
Once the hybrid system has started, remove the jumper cables in
the exact reverse order from which they were connected.
Close the exclusive jump starting terminal cover, and reinstall the
fuse box cover to its original position.
When installing, first hook the fuse box cover onto the two rear tabs.
Once the hybrid system starts, have the vehicle inspected at your
Toyota dealer as soon as possible.
■ Starting the hybrid system when th e 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
■ To prevent 12-volt battery discharge
●Turn off the headlights and the audio system while the hybrid system is off.
● Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic.
■ When the 12-volt battery is removed or discharged
●The hybrid system may not start. ( P. 438)
● If the 12-volt battery discharges while the shift position is in P, it may not be
possible to shift the shift position to other positions. In this case, the vehicle
cannot be towed without lifting both front wheels because the front wheels
will be locked. ( P. 482)
● When the 12-volt battery is reconnected, start the hybrid system and con-
firm that the shift position can be changed to each position using the shift
position indicator.
■ Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even when
the vehicle is not in use, due to natural discharge and the draining effects of
certain electrical appliances. If the vehicle is left for a long time, the 12-volt
battery may discharge, and the hybrid system may be unable to start. (The
12-volt battery recharges automatically while the hybrid system is operating.)
6
7
8
Page 540 of 621

5398-2. Steps to take in an emergency
PRIUS v_OM_OM47887U_(U)
8
When trouble arises
WARNING
■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 each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with any other than the intended terminal.
● Do not allow the other end of the jumper cable connected to the “+” termi-
nal to come into contact with any other parts or metal surfaces in the area,
such as brackets or unpainted metal.
● Do not allow the + and - clamps of the jumper cables to come into contact
with each other.
● Do not smoke, use matches, cigarette lighters or allow open flame 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
precautions 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 12-volt battery support, termi-
nals, and other battery-related parts.
● Do not allow children near the 12-volt battery.
■ After recharging the 12-volt battery
Have the 12-volt battery inspected at your Toyota dealer as soon as possi-
ble.
If the 12-volt battery is deteriorating, continued use may cause the 12-volt
battery to emit a malodorous gas, which may be detrimental to the health of
passengers.
■ When replacing the 12-volt battery
P. 439
Page 541 of 621
5408-2. Steps to take in an emergency
PRIUS v_OM_OM47887U_(U)
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fans, etc.
■ 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.
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 617 of 621

616Alphabetical index
PRIUS v_OM_OM47887U_(U)
TRAC (Traction Control)Function ................................ 244
VSC OFF switch ................... 246
Trip information ......................... 94
Trip meters ................................. 92
Troubleshooting ...................... 598
Turn signal lights Replacing light bulbs..... 473, 474
Turn signal lever ................... 185
Wattage ................................ 558
USB memory ............................ 301
USB port ................................... 271
Vanity lights Vanity lights .......................... 383
Wattage ................................ 558
Vanity mirrors .......................... 383
Vanity lights .......................... 383
Vehicle data recordings ............ 10
Vehicle identification number ................................... 551
Vehicle proximity notification system ................. 74
Vehicle Stability Control
(VSC) ...................................... 244
Voice command system.......... 356 Microphone ........................... 322
Switches ............................... 335
VSC (Vehicle Stabilit y Control) .... 244 Warning buzzers
Approach warning................. 217
Brake system ....... ................. 488
Downshifting ......................... 181
Driver’s seat belt reminder.... 492
Front passenger’s seat belt reminder ...................... 492
Lane departure ..................... 226
Open door............................. 491
Pre-collision warning ............ 251
Radar cruise control ............. 217
Seat belt reminder ................ 492
Warning lights ABS ...................................... 489
Automatic headlight
leveling system................... 491
Brake system ....... ................. 488
Charging system................... 488
Cruise control ....................... 491
Driver’s seat belt reminder ............................. 492
Electronic engine control system .......... ...................... 489
Electric power steering ......... 489
Front passenger’s seat belt reminder ...................... 492
Go to service ........................ 494
High coolant temperature ..... 491
Hybrid system ...... ................. 488
LED headlight ....................... 490
Low engine oil pressure........ 488
Low fuel level ........................ 492
Low hybrid battery
(traction battery) ................. 491
Maintenance required reminder ............................. 492
Malfunction indicator lamp .... 489
Master warning light ............. 492
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