10 Astounding Facts That Can Change the Way You See the World

3. Some Mercedes-Benz cars play “pink noise” before an accident.

10 Astounding Facts That Can Change the Way You See the World

This system is called Pre-Safe. When the vehicle’s sensors have detected a collision, the system plays “pink noise” that is almost inaudible but makes the ear muscles tense. This system helps a driver avoid the damage or loss of hearing as an effect of the accident.

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