USA Today wrote an interesting article about the warning sounds that may soon be coming from a Toyota Prius. To warn pedestrians, you can choose from an array of sounds.

The sound Toyota is considering mimics the out-of-this-world audio of an UFO. The pitch will vary in relationship to the speed of the the Prius so pedestrians can gauge their distance. Toyota is adding this special safety feature to make sure their vehicles reflect the highest safety standard possible.

If you could choose, what sound would you want your Prius to make?

The onboard device will automatically produce an artificial sound, supposedly an amplified and synthesized reproduction of the noise an electric motor makes. – USA Today

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