TOYOTA PRIUS 2010 3.G Owners Manual

5
When trouble arises
551
5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
If necessary, add power control
unit coolant up to the full line.
Water can be used in an emer-
gency measure if power control
unit coolant is unavailable.

( P. 562)
Have the vehicle checked at nearest Toyota dealer as soon as possi-
ble.
STEP5
■ Overheating
The following symptoms may occur when your vehicle is overheating:
● Hybrid system output decrease.
● Steam is coming from under the hood.

552 5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
CAUTION
■To prevent an accident or injury when inspecting under the hood of
your vehicle
● If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot, caus-
ing serious injury such as burns.
● With a hybrid vehicle, there are times when the gasoline engine automati-
cally starts to run or the cooling fans suddenly start to operate. Do not
touch or approach the rotating parts of the belt or fans. Doing so may lead
to fingers, clothes or tools getting caught, resulting in an accidental injury.
● Do not loosen the coolant reservoir cap while the hybrid system and radia-
tor are hot. 
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
NOTICE
■ When adding engine/power control unit coolant
Wait until the hybrid system has cooled down before adding engine/power
control unit coolant. 
When adding coolant, do so slowly. Adding cool coolant to a hot hybrid sys-
tem too quickly can cause damage to the hybrid system.

5
When trouble arises
553
5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
If the vehicle becomes stuck
CAUTION
■When attempting to free a stuck vehicle
If you choose to rock the vehicle back and forth to free it, make sure the sur-
rounding area is clear, to avoid striking other vehicles, objects or persons.
The vehicle may also lunge forward or lunge back suddenly as it becomes
free. Use extreme caution.
■ When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed. 
This may lead to unexpected rapid acceleration of the vehicle that may
cause an accident and result in death or serious injury.
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt, or snow.
Stop the hybrid system. Set t he parking brake and push the
“P” position switch.
Remove the mud, snow, or sand from around the stuck tire.
Place wood, stones or some other material to help provide
traction under the tires.
Restart the hybrid system.
Shift the shift lever to “D” or “R” and carefully apply the
accelerator to free the vehicle.STEP1
STEP2
STEP3
STEP4
STEP5

554 5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
NOTICE
■To avoid damaging the transmission and other components
● Avoid spinning the wheels.
● If the vehicle remains stuck after trying these procedures, the vehicle may
require towing to be freed.

Vehicle specifications6
555
PRIUS_U (OM47668U) U.S.A.
6-1. SpecificationsMaintenance data 
(fuel, oil level, etc.) ......... 556
Fuel information ............... 568
Tire information ................ 572
6-2. Customization Customizable features ..... 587
6-3. Initialization Items to initialize .............. 593

556
PRIUS_U (OM47668U) U.S.A.
6-1. Specifications
Maintenance data (fuel, oil level, etc.)
Dimensions and weight
*1:Unladen vehicle
*2:Vehicles with 17-inch tires 
*3:Vehicles with 15-inch tires
Overall length175.6 in. (4460 mm)
Overall width 68.7 in. (1745 mm)
Overall height *158.7 in. (1490 mm)
Wheelbase106.3 in. (2700 mm)
Tread
Front59.6 in. (1515 mm)*2
60.0 in. (1525 mm)*3
Rear59.4 in. (1510 mm)*2
59.8 in. (1520 mm)*3
Vehicle capacity weight

(Occupants + luggage) 825 lb. (370 kg)

557
6-1. Specifications
6
Vehicle specifications
PRIUS_U (OM47668U) U.S.A.
Vehicle identification
■ Vehicle identification number
The vehicle identification number (VIN) is the legal identifier for
your vehicle. This is the primar y identification number for your
Toyota. It is used in registering the ownership of your vehicle.
This number is stamped on the
top left of the instrument panel.
This number is also on the Certi-
fication Label.
This number is also stamped
under the right-hand front seat.
ITO61P101
ITO25P101

558 6-1. Specifications
PRIUS_U (OM47668U) U.S.A.■
Engine number and electric mo tor (traction motor) number
The gasoline engine number and
electric motor (traction motor)
number are stamped as shown.
Gasoline engine number
Electric motor (traction motor)
number
Engine
Fuel
Model2ZR-FXE
Type 4-cylinder in line, 4-cycle, gasoline
Bore and stroke 3.17  3.48 in. (80.5  88.3 mm)
Displacement109.7 cu. in. (1798 cm3)
Valve clearance
(engine cold) Automatic adjustment
Fuel typeUnleaded gasoline only
Octane Rating
87 (Research Octane Number 91) or higher
Fuel tank capacity 11.9 gal. (45 L, 9.9 Imp.gal.)

559
6-1. Specifications
6
Vehicle specifications
PRIUS_U (OM47668U) U.S.A.
Electric motor (Traction motor)
Hybrid battery (Traction battery)
Ty p ePermanent magnet motor
Maximum output 60 kW
Maximum torque 153 ft•lbf (207 N•m, 21.1 kgf•m)
Ty p eNickel-Metal hydride battery
Voltage
7.2 V/module
Capacity6.5 Ah (3HR)
Quantity 28 modules
Overall voltage 201.6 V

560 6-1. Specifications
PRIUS_U (OM47668U) U.S.A.
Lubrication system■ Engine oil selection
“Toyota Genuine Motor Oil” is used in your Toyota vehicle. Use
Toyota approved “Toyota Genuine Motor Oil” or equivalent to sat-
isfy the following grade and viscosity.
Oil grade: ILSAC multigrade engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice for
good fuel economy and good
starting in cold weather.
If SAE 0W-20 is not available,
SAE 5W-20 may be used. How-
ever, it must be replaced with
SAE 0W-20 at the next oil
change.
The 0W portion of the oil viscosity rating indicates the characteristic of the
oil which allows cold startability. Oils with a lower value before the W allow
for easier starting of the engine in cold weather.
The 20 in 0W-20 indicates the oil viscosity when the oil is at its operating
temperature. An oil with a higher viscosity may be better suited if the vehi-
cle is operated at high speeds, or under extreme load conditions.
Oil capacity 
Drain and refill 
(reference) With filter
Without filter
4.4 qt. (4.2 L, 3.7 Imp.qt.)
4.1 qt. (3.9 L, 3.4 Imp.qt.)
Outside temperature