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When vehicle speed is more than
●
approximately 135 km/h (84 mph).
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 -10°C (14°F).
When the windshield defogger switch
●
is pressed. (P.407)
When the system determines that the
●
gasoline engine needs to be started.
*1
: The gasoline engine may also oper-
ate in circumstances other than those
listed above, depending on condi-
tions.
*2
: When driving in AUTO EV/HV mode.
Even in EV mode, the gasoline
engine may start, depending on the
condition of the hybrid battery (trac-
tion battery).
If "Engine Started to Protect Sys-
■
tem EV driving unavailable" is dis-
played on the multi-information
display
EV driving may be canceled in order to
protect the hybrid system, etc.
In this case, perform driving with the
gasoline engine until EV driving will be
returned to automatically.
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 condi-
*
tions
:
During gasoline engine warm-up
●
2-1. Plug-in hybrid system
During hybrid battery (traction battery)
●
charging
When the temperature of the hybrid
●
battery (traction battery) is high or low
When the windshield defogger switch
●
*2
is pressed. (P.407)
*
: Depending on the circumstances, the
gasoline engine may also not stop
automatically in situations other than
those above.
■
Sounds and vibrations specific to a
hybrid vehicle
There may be no engine sound or vibra-
tion even though the vehicle is able to
move with the "READY" indicator is illu-
minated. For safety, apply the parking
brake and make sure to shift the shift
lever to P when parked.
The following sounds or vibrations may
occur when the hybrid system is operat-
ing and are not a malfunction.
●
Motor sounds may be heard from the
engine compartment.
Sounds may be heard from the hybrid
●
battery (traction battery) when the
hybrid system starts or stops.
Relay operating sounds such as a
●
snap or soft clank will be emitted from
the hybrid battery (traction battery),
behind the rear seats, when the hybrid
system is started or stopped.
Sounds from the hybrid system may
●
be heard when the back door is open.
Sounds may be heard from the trans-
●
mission when the gasoline engine
starts or stops, when driving at low
speeds, or during idling.
●
Engine sounds may be heard when
accelerating sharply.
Sounds may be heard due to regener-
●
ative braking when the brake pedal is
depressed or as the accelerator pedal
is released.
●
Vibration may be felt when the gaso-
line engine starts or stops.
Cooling fan sounds may be heard
●
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