Chevrolet recently demonstrated how the Volt’s innovative driver-activation warning system for the blind works at the Milford Proving Grounds. It’s “described as more of an ‘excuse me’ sound than ‘hey you’ sound.” Video after the break.

Of course, depending on the driver does have its limitations, and Chevy says that future iterations of the Volt are likely to incorporate a more active system that can automatically alert pedestrians.

[via Engadget]