Ford FUSION ENERGI 2015, Owner'S Manual, Page: 156 / 506

• Very high or low outside temperature
(to provide system cooling or heating).
For Fusion Energi vehicles, climate
control demands by passengers may
not directly cause the engine to run.
This only occurs when the high voltage
battery charge is low, or if the outside
temperature is cold enough to require
the engine to provide additional heat
for the cabin.
• Engine not warm enough to provide
passenger requested cabin
temperature.
Stopping: The gas engine may shut off
to conserve fuel as you come to a stop.
Restarting the vehicle is not required.
Simply step on the accelerator when you
are ready to drive.
Transmission Operation: Due to the
technologically advanced,
electronically-controlled continuously
variable transaxle, you will not feel shift
changes like those of a non-hybrid vehicle.
Note: Since engine speed is controlled by
the transmission, it may seem elevated at
times. This is normal hybrid operation and
helps deliver fuel efficiency and
performance.
Neutral: It is not recommended to idle the
vehicle in position N for an extended period
of time because this will discharge your
high voltage battery and decrease fuel
economy. The engine will not start or stop,
and cannot provide power to the hybrid
system in position
N.
Low Gear: Low gear (position L ) is
designed to mimic the enhanced engine
braking available in non-hybrid vehicles.
Low gear will produce high engine speeds
to provide necessary engine braking. This
is normal and will not damage your vehicle.
In low gear, the gas engine will remain on
more often than in position
D.
Reverse: In position R , vehicle speed is
limited to 22 mph (35 km/h).
Unique Hybrid Operating
Characteristics
Your vehicle behaves differently compared
to a non-hybrid. Here is a description of the
major differences:
Battery: Your hybrid is equipped with a
high voltage battery. A cool battery ensures
battery life and provides the best possible
performance.
The high voltage battery is cooled by cabin
air pulled into the high voltage battery
through vents in the rear package tray.
Avoid placing objects on the package tray
that could block airflow through the vents.
Engine: The engine speed in your hybrid
is not directly tied to your vehicle speed.
Your vehicle's engine and transmission are
designed to deliver the power you need at
the most efficient engine speed. During
heavy accelerations, your hybrid may reach
high engine speeds (up to 6000 RPM).
In prolonged mountainous driving, you may
see the engine tachometer changing
without your input. This is intentional and
maintains the battery charge level. You
may also notice during extended downhill
driving that your engine continues to run
instead of shutting off.
During this engine braking, the engine stays
on, but it is not using any fuel. You may also
hear a slight whine or whistle when
operating your vehicle. This is the normal
operation of the electric generator in the
hybrid system.
During certain events (such as vehicle
servicing) your low voltage 12-volt battery
may become disconnected or disabled.
Once the battery is reconnected and after
driving the vehicle, the engine may
continue to operate for three to five
seconds after the key is turned to off. This
is a normal condition.
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Fusion Energi / Fusion Hybrid (CC7), enUSA
Unique Driving Characteristics