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Additional Tips:
• Do not carry extra loads
• Be mindful of adding external accessories that may increase
aerodynamic drag
• Observe posted speed limits
• Perform all scheduled maintenance
• There is no need to wait for your engine to “warm up”. The vehicle is
ready to drive immediately after starting
Refer to Essentials of Good Fuel Economy in Maintenance and
Specifications chapter for more fuel saving tips.
Frequently asked questions
Question Answer
What are the series
of clicks from the
cargo area when I
first turn the key in
the ignition?
The high voltage battery is electrically isolated
from the rest of the vehicle when the key is OFF.
When the key is turned ON, high voltage
contactors inside the battery are closed to make
the electricity available to the motor/generator
and enable the vehicle to drive. The clicks are the
sound of these contactors as they close and open
during start up and shut down.
Why does the
engine sometimes
start at key-on?
The vehicle’s computer will determine if an
engine start is required at key-on. The engine will
start if it is necessary for cabin heating or
windshield defrost. The engine will also be started
when ambient temperatures are low.
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 it is first
started. One common reason is to ensure that the
emissions components are warm enough to
minimize tailpipe emissions. As the climate gets
cooler, this “engine-ON” time is extended.
2010 Fusion Hybrid (hfv)
Owners Guide, 1st Printing
USA (fus)
Introduction
9