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PRIUS PRIME_OM_OM47D13U_(U)
93
2-1. Plug-in hybrid system
2
Plug-in hybrid system
■ Gasoline engine operation in EV/EV auto mode
Even if there is a sufficient amount of electricity remaining in the hybrid bat-
tery (traction battery) and EV driving range (P. 207, 223, 230, 247) is being
displayed on the multi-information display etc., EV driving (driving using only
the electric motor) may be canceled and both gasoline engine and electric
motor are used depending on the situation (EV driving will be returned to
automatically after EV driving becomes possible again).
EV driving may be canceled automatically in the following circumstances:
● When vehicle speed is more than approximately 84 mph (135 km/h).
● When power is needed temporarily, for example when the accelerator pedal
is depressed firmly or when accelerating suddenly.
*
● When the temperature of the hybrid system is high.
The vehicle has been left in the sun, driven on a hill, driven at high speeds,
etc.
● When the temperature of the hybrid system is low.
● When the heater is switched on when the outside temperature is below
about 14°F (-10°C).
● When the windshield defogger switch is pressed. (P. 500, 510)
● When the system determines that the gasoline engine needs to be started.
The gasoline engine may also operate in circumstances other than those
listed above, depending on conditions.
*: When traveling in the EV auto mode only
■ 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
*:
● During gasoline engine warm-up
● During hybrid battery (traction battery) charging
● When the temperature of the hybrid battery (traction battery) is high or low
● When the windshield defogger switch is pressed. (P. 500, 510)
*: Depending on the circumstances, the gasoline engine may also not stop
automatically in situations other than those above.
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