Hev (Hybrid Electric Vehicle) System - Hyundai Santa Fe 2022 Owner's Manual

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HEV (HYBRID ELECTRIC VEHICLE) SYSTEM

The HYUNDAI Hybrid Electric Vehicle (HEV) uses both the gasoline engine and the
electric motor for power. The electric motor is run by a high-voltage HEV battery.
Depending on the driving conditions, the HEV computer selectively operates between
the engine and the electric motor or even both at the same time.
Fuel efficiency increases or when the vehicle is driven by the electric motor with the
HEV battery.
The HEV battery charge must be maintained, so at times the engine will come on even
at idle to act as a generator. Charging also occurs when decelerating or by regenerative
braking.
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