2013 TOYOTA PRIUS Owners Manual

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1-1. Hybrid system
1
Before driving
PRIUS_OM_OM47791U_(U)
CAUTION
■
High voltage precautions
The vehicle has high voltage DC and AC systems as well as a 12-volt sys-
tem. DC and AC high voltage is very dangerous and can cause severe burns
and electric shock that may result in death or serious injury.
● Never touch, disassemble, remove or replace the high voltage parts,
cables or their connectors.
● The hybrid system will become hot after starting as the system uses high
voltage. Be careful of both the high voltage and the high temperature, and
always obey the caution labels attached to the vehicle.
●Never try to open the service plug
access hole located in the luggage
compartment. The service plug is used
only when the vehicle is serviced and is
subject to high voltage.

42 1-1. Hybrid system
PRIUS_OM_OM47791U_(U)
CAUTION
■Road accident cautions
If your vehicle is involved in an accident, observe the following precautions
to reduce the risk of death or serious injury:
● Stop the vehicle in a safe place to prevent subsequent accidents.
While depressing the brake pedal, apply the parking brake, shift the shift
position to P and turn the hybrid system off. Then, slowly release the brake
pedal.
● Do not touch the high voltage parts, cables and connectors.
● If electric wires are exposed inside or outside your vehicle, an electric
shock may occur. Never touch exposed electric wires.
● If a fluid leak occurs, do not touch the fluid as it may be strong alkaline
electrolyte from the hybrid battery (traction battery). If it comes into contact
with your skin or eyes, wash it off immediately with a large amount of water
or, if possible, boric acid solution. Seek immediate medical attention.
● If a fire occurs in the hybrid vehicle, leave the vehicle as soon as possible.
Never use a fire extinguisher that is not meant for electric fires. Using even
a small amount of water may be dangerous.
● If your vehicle needs to be towed, do so with front wheels raised. If the
wheels connected to the electric motor (traction motor) are on the ground
when towing, the motor may continue to generate electricity. This may
cause a fire. ( P. 491)
● Carefully inspect the ground under the vehicle. If you find that liquid has
leaked onto the ground, the fuel system may have been damaged. Leave
the vehicle as soon as possible.
■ Hybrid battery (traction battery)
Your vehicle contains a sealed nicke l-metal hydride battery. If disposed of
improperly, it is hazardous to the environment and there is a risk of severe
burns and electrical shock that may result in death or serious injury.

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1-1. Hybrid system
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Before driving
PRIUS_OM_OM47791U_(U)
NOTICE
■
Hybrid battery (traction battery) air vent
● Do not put foreign objects near the air vent. The hybrid battery (traction
battery) may overheat and be damaged.
● Clean the air vent regularly to prevent the hybrid battery (traction battery)
from overheating.
● Do not wet or allow foreign substances to enter the air vent as this may
cause a short circuit and damage the hybrid battery (traction battery).
● Do not carry large amounts of water such as water cooler bottles in the
vehicle. If water spills onto the hybrid battery (traction battery), the battery
may be damaged. Have the vehicle inspected by your Toyota dealer.
● If the rear seat belt becomes separated from the guide ( P. 105), it could
obstruct the hybrid battery (traction battery) air vent. Set the rear seat belt
into the guide to use.

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1-1. Hybrid system
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Energy monitor/consumption screen
Energy monitorDisplays the flow of energy as it changes in accordance with driving
conditions.
Display Audio system Press “CAR”.
If the “Consumption” screen is
displayed, touch “Energy”.
You can view the status of your hybrid system on the Display Audio
system screen, the navigation system screen or the multi-informa-
tion display.
Display Audio system
screen or navigation system
screen
Multi-information display

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1-1. Hybrid system
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Before driving
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ConditionDisplay
When the vehicle is powered by
the electric motor (traction
motor)
When the vehicle is powered by
both the gasoline engine and the
electric motor (traction motor)
When the vehicle is powered by
the gasoline engine

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These images are examples only, and may vary slightly from actual conditions.
ConditionDisplay
When the vehicle is charging the
hybrid battery (traction battery)
When there is no energy flow
Hybrid battery (traction battery)
status Low Full

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1-1. Hybrid system
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Navigation system
Press “INFO APPS” or “INFO”.
Touch “Fuel Consumption” on
the “Information” screen.
If the “Consumption” screen is
displayed, touch “Energy”.
STEP 1
STEP 2

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ConditionDisplay
When the vehicle is powered by
the electric motor (traction
motor)
When the vehicle is powered by
both the gasoline engine and the
electric motor (traction motor)
When the vehicle is powered by
the gasoline engine