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Why does it take a long time before the
engine shuts down?
• There are several reasons the engine
stays on for an extended amount of time
when you first start it. One common
reason is to make sure that the emissions
components are warm enough to
minimize tailpipe emission. As the climate
gets cooler, the engine-on time is
extended.
Why does my engine stay on when it is
extremely cold outside?
• In order to make sure that the climate
control system can begin heating the
cabin or defrosting the windshield as
soon as a driver requests it, the engine
coolant temperature has to be kept
sufficiently hot. Keeping the engine on is
required to maintain the correct coolant
temperature.
POWER FLOW
The power flow shows how power is being
used in the vehicle and also displays reasons
for engine operation.
E304437
The power flow information for
your hybrid vehicle is available
through the home screen or under
Apps.
Vehicle Operational States
Power flows to or from the front and rear
wheels depending on operational state and
driving conditions.
• Idling: The vehicle is running and in park
(P). The engine and/or the high voltage
battery are on.
• Electric driving: The vehicle is running
and in drive (D) or neutral (N). The high
voltage battery provides power to the
wheels.
• Hybrid driving: The vehicle is running and
in drive (D) or neutral (N). The engine and
the high voltage battery provide power
to the wheels.
• Regenerative braking: The vehicle is
running in drive (D) and is slowing down.
Power captured by the regenerative
braking system is sent back to the high
voltage battery.
Engine On Due To
The following conditions help explain why
the engine is on, and what you can do to
allow all electric operation.
• Drive power: The engine is on due to
accelerator pedal pressure or speed
control activation. Reduce pressure on
the accelerator pedal or switch off the
speed control to return to full electric
mode.
• High speed: The engine is on because
the vehicle speed exceeds the level for
full electric operation. Reduce the speed
to return to electric operation.
195
2024 Nautilus (CFG) Canada/United States of America, enUSA, Edition date: 202310, DOM
Hybrid Electric Vehicle Information - Hybrid Electric Vehicle (HEV)
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