Owner's Manual - Page 173

For 2014 MKZ HYBRID.

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AnswerQuestion
In order to ensure 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
minimum temperature.
Why does my engine stay on when it
is extremely cold outside?
Your vehicle's engine and transmission
are designed to deliver the power you
need at the most efficient engine
speed. This may be higher than
expected during heavy accelerations,
and may fluctuate during steady state
driving. These are characteristics of
the Atkinson engine cycle and the
transmission technology that help
maximize your hybrid's fuel economy.
Why does my engine rev up so high
sometimes when I accelerate?
The fan noise comes from a fan
located outside the high voltage
battery. This fan turns on when the
battery requires cooling air. The fan
speed, and associated noise level, will
change according to the amount of
What is the fan noise I hear from the
rear of my hybrid?
cooling required to maintain good
performance. Maintaining the battery
temperature at optimal conditions
also prolongs the useful life of the
battery and helps to achieve better
fuel economy.
Running out of gas is not recom-
mended. However, you may be able to
go about one mile, driving at 30 mph
(48 km/h), if the battery has a normal
state of charge.
How far can I go in Electric Drive if I run
out of gas?
170
Unique Driving Characteristics
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