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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. 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.
The high voltage battery is cooled by cabin air drawn from vent holes in
the driver-side cargo trim panel. Avoid placing objects over the vent
holes which block air flow to the high voltage battery.
If the vehicle is left inoperative for over 31 days, it may be necessary to
jumpstart the vehicle. For more information, refer to Jump starting
(Low voltage [underhood] battery only) in the Roadside Emergencies
chapter and also refer to Low and high voltage battery — storage in
the Maintenance and Specifications chapter.
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). This is characteristic of the Atkinson cycle engine
technology helping to maximize your hybrid’s fuel economy.
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’s 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
(underhood) battery may become disconnected or disabled. When this
occurs, and after reconnecting the low voltage (underhood) battery and
driving the vehicle, the engine may continue to operate for 3-5 seconds
after the key is turned to the off position. This is a normal condition, as
the vehicle’s computers are relearning the operating characteristics of
your particular engine in order to operate it at maximum efficiency.
Braking: Your hybrid is equipped with standard hydraulic braking and
regenerative braking. Regenerative braking is performed by your
transmission and it captures brake energy and stores it in your high
voltage battery.
Introduction
8
2012 Escape Hybrid (ehv)
Owners Guide, 1st Printing
USA (fus)
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