Toyota Prius 2018, Owner'S Manual

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1-3. Hybrid system
PRIUS_OM_OM47B89U_(U)
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Regenerative braking
In the following situations, kinetic energy is converted to electric energy and
deceleration force can be obtained in conjunction with the recharging of the
hybrid battery (traction battery).
●
The accelerator pedal is released while driving with the shift position in D or
B.
●
The brake pedal is depressed while driving with the shift position in D or B.
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Hybrid System Indicator
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Conditions in which the gasoline engine may not stop
The gasoline engine starts and stops automatically. However, it may not stop
automatically in the following conditions
*
:
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During gasoline engine warm-up
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During hybrid battery (traction battery) charging
●
When the temperature of the hybrid battery (traction battery) is high or low
●
When the heater is switched on
*
: Depending on the circumstances, the gasoline engine may also not stop
automatically in situations other than those above.
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Charging the hybrid battery (traction battery)
As the gasoline engine charges the hybrid battery (traction battery), the bat-
tery does not need to be charged from an outside source. However, if the
vehicle is left parked for a long time the hybrid battery (traction battery) will
slowly discharge. For this reason, be sure to drive the vehicle at least once
every few months for at least 30 minutes or 10 miles (16 km). If the hybrid
battery (traction battery) becomes fully discharged and you are unable to start
the hybrid system, contact your Toyota dealer.
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Charging the 12-volt battery
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P. 731
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After the 12-volt battery has discharged or when the terminal has been
removed and installed during exchange, etc.
The gasoline engine may not stop even if the vehicle is being driven by the
hybrid battery (traction battery). If this continues for a few days, contact your
Toyota dealer.
Hybrid System Indicator represents the
hybrid system power output and regener-
ative charging. (
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P. 119)