Ford 2009 Escape Hybrid Owner's Manual page 7

Introduction
Transmission Operation: Due to the technologically advanced,
electronically controlled Continuously Variable Transaxle (eCVT) you will
not feel shift changes like those of a non-hybrid vehicle. Your hybrid's
transmission is designed to do its work seamlessly.
Since your 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 (N) Neutral for
extended periods of time because this will discharge your high voltage
battery and decrease fuel economy. Also, the engine cannot provide
power to the hybrid system in (N) Neutral.
Low Gear: Low gear (L) is designed to mimic the enhanced engine
braking available in non-hybrid vehicles. On long downhill grades, (L)
Low gear may produce high engine speeds to provide necessary engine
braking. This is normal and will not damage your vehicle. Response
during acceleration should be the same as in the (D) Drive position.
Reverse: (R) Reverse Gear vehicle speed is limited to 22 mph
(35 km/h).
Unique Hybrid operating characteristics
Your Hybrid, with its new technology, 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 cooling
system in the rear of the vehicle. A cool battery ensures battery life and
provides the best possible performance. Your hybrid high voltage battery
may periodically re-condition itself to ensure maximum efficiency. You
may notice slight changes in drivability during this process, but it's an
important part of your Hybrid's high voltage battery optimization
features.
You may hear a series of clicks from the cargo area when you first turn
the key in the ignition. This sound is the high voltage contactors closing
to allow you to start your hybrid.
In addition, you may hear fan noise and a slight tapping sound from the
rear as the vent door operates. This fan may continue to operate for
short durations after the vehicle has been turned off. These noises are a
customary part of hybrid operation and do not require service.
The high voltage battery is cooled by cabin air drawn from vent holes in
the front of the rear seat cushions. Avoid placing objects at the vent
holes which block air flow to the high voltage battery.
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2009 Escape Hybrid (ehv)
Owners Guide, 2nd Printing
USA (fus)