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The Nissan LEAF electric car run silently, so the manufacturer offers a selection of start-up sounds.

Nestor Bailly, PSFK
Nestor Bailly, PSFK on September 26, 2011. @NKBailly

Electric cars produce no or very little noise when starting, so manufacturers have pre-programmed sounds that play to let the driver know the car is running. The Nissan LEAF has a few different options: Soundcloud

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