User Manual - Page 91

For 2019 Prius Prime.

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PRIUS PRIME_OM_OM47D13U_(U)
89
2-1. Plug-in hybrid system
2
Plug-in hybrid system
Switching to the hybrid battery (traction battery) charge mode
Press and hold the switch.
Take your hand off the switch
once the hybrid battery charge
mode indicator starts to blink.
The hybrid battery charge mode
indicator illuminates when the
switch to hybrid battery (traction
battery) charge mode is com-
plete.
When the hybrid battery (traction battery) is fully charged
*, the hybrid
battery (traction battery) charge mode is automatically canceled and the
operation mode will be switched to HV mode.
The hybrid battery (traction battery) charge mode will be canceled by
pressing EV/HV mode selection switch or EV auto mode switch.
*: The maximum charge amount in the hybrid battery (traction battery)
charge mode is approximately 80% of the fully charged capacity for the
charging from an external power source.
If the plug-in hybrid system operation mode cannot be changed
In the following situations, the plug-in hybrid system operation mode cannot
be changed even if the EV/HV mode selection switch or EV auto mode switch
is pressed. (In this case, the warning message is displayed on the multi-infor-
mation display when the switch is pressed.)
When electricity needed for EV driving is not remaining (when in EV/EV
auto mode)
When the traction battery is almost completely charged (hybrid battery [trac-
tion battery] charge mode)
When switching from EV mode to another mode using the switch
When the power switch is turned off, operation mode switching is canceled
and the system returns to EV mode the next time the vehicle is started.
Hybrid battery (traction battery) charge mode
The following may occur to protect the system, etc.
Cannot switch to hybrid battery (traction battery) charge mode or cannot
cancel it
Gasoline engine does not start or stops even after switching to hybrid bat-
tery (traction battery) charge mode
If a load to the system is large, such as when the power consumption of the
air conditioning system is large or when the temperature of the engine cool-
ant is high, it may take longer time than usual to charge using the hybrid bat-
tery (traction battery) charge mode, or charging to the hybrid battery
(traction battery) may not be performed.
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