Toyota Prius Prime 2020 Manual page 88

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88
2-1. Plug-in hybrid system
EV auto mode (P. 90)
2
When a sufficient amount of electricity for EV driving is remaining in
the hybrid battery (traction battery) after charging
mode can be switched to EV auto mode.
Switching to EV auto mode make powerful driving possible by using
both the gasoline engine and electric motor in a driving condition
that requires large driving force, such as when passing a vehicle on
a highway or driving on a steep slope.
When in EV auto mode, the EV auto mode indicator illuminates.
*
: The amount of remaining charge can be checked on the multi-informa-
tion display etc. (P. 229)
HV mode
3
When in HV mode, the vehicle is driven using both the gasoline
engine and electric motor. (P. 92)
● If electricity needed for EV driving in EV mode or EV auto mode
is not remaining, the operation mode will be automatically
switched to HV mode.
● The operation mode can be switched to HV mode at any timing
by operating the switch to keep electricity for EV driving etc.
(P. 90). Switching to HV mode when driving on a highway or
when driving uphill is recommended in order to conserve battery
power.
When in HV mode, the EV drive mode indicator and EV auto mode indi-
cator turn off.
*
: The EV driving range may reduce even after switching to HV mode.
*
, the operation
*

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