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Special features

Hybrid vehicles sound different than gasoline engine vehicles. When the hybrid system operates, you may hear a sound from the hybrid battery system under the floor. If you apply the accelerator pedal rapidly, you may hear an unconventional sound. When you apply the brake pedal, you may hear a sound from the regenerative brake system. When the hybrid system is turned off or on, you may hear a sound in the engine compartment. If you depress the brake pedal repeatedly when the hybrid system is turned on, you may hear a sound in the engine compartment. None of these sounds indicate a problem. These are normal characteristics of hybrid vehicles.

If any of following occur, it's a normal condition if you hear a motor sound in the engine compartment:

  • After turning off the hybrid system, the brake pedal is released.

  • When the hybrid system is turned off, the brake pedal is applied.

  • When the driver door is opened.

When the hybrid system is turned ON, the gasoline engine may run or may not. In this situation, you may feel a vibration. This does not indicate a malfunction. When the ¢ indicator illuminates, the hybrid system is ready to begin driving. Even if the engine is off, you can operate the vehicle as long as the ¢ indicator is illuminated.

  • When you start the hybrid system with the gear in P (Park), the ¢ indicator illuminates on the instrument cluster. The driver can drive the vehicle, even when the gasoline engine is off.

  • When you leave the vehicle, you should turn off the hybrid system or shift the gear to P (Park). When you depress the accelerator pedal by mistake, or when the gear is not in P (Park), the vehicle will abruptly move, possibly resulting in serious injury or death.

The hybrid system contains many electronic components. High voltage components, such as cables and other parts, may emit electromagnetic waves. Even when the electromagnetic cover blocks electromagnetic emissions, electromagnetic waves may have an effect on electronic devices. When your vehicle is not used for a long period of time, the hybrid system will discharge. You need to drive the vehicle several times a month. We recommend driving for at least 1 hour or 16 km (10 mi.). When the hybrid battery is discharged, or when it is impossible to jump start the vehicle, we recommend that you contact an authorized HYUNDAI dealer.

Virtual Engine Sound System (VESS)

The Virtual Engine Sound System generates engine sound for pedestrians to hear vehicle sound because there is limited sound while motor power is used.

  • When the engine is running and the gear is not in P (Park), the VESS operates.

What does regenerative braking do?

It uses an electric motor when decelerating and when braking and transforms kinetic energy to electrical energy in order to charge the high voltage battery.

Battery information

Hybrid vehicle

  • The vehicle is composed of a high voltage battery that drives the motor and air conditioner, and a 12 V battery integrated with the hybrid battery that operates the lights, wipers, and audio system.

  • The 12 V battery is automatically charged when the vehicle is in the ready mode (¢ indicator on).

Plug-in hybrid vehicle

  • The vehicle is composed of a high voltage battery that drives the motor and air conditioner, and a 12 V lithium auxiliary battery that operates the lights, wipers, and audio system.

  • The auxiliary battery is automatically charged when the vehicle is in the ready mode (¢ indicator on).