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Tesla’s Model S Cars Can Briefly Double as a Boat, Elon Musk Says

Assembly Of Tesla Model S Electric Automobiles  At  A Tesla Motors Inc. FactoryAssembly Of Tesla Model S Electric Automobiles  At  A Tesla Motors Inc. Factory
A Tesla Model S automobile stands in a light tunnel during quality control checks ahead of European shipping from the Tesla Motors Inc. factory in Tilburg, Netherlands, on Thursday, Oct. 8, 2015. Tesla said it delivered 11,580 vehicles in the third quarter, meeting its target after Chief Executive Officer Elon Musk handed over the first Model X sport utility vehicles just before the end of the period. Photographer: Jasper Juinen/Bloomberg via Getty ImagesBloomberg Bloomberg via Getty Images

Tesla’s Model S vehicles can temporarily double as a boat, the automobile’s founder and CEO Elon Musk said Sunday.

Musk wrote on Twitter that the all-electric Model S “floats well enough to turn it into a boat for short periods of time,” although he added that the company definitely doesn’t recommend testing that out. The ability to drive through water comes from the car’s wheel rotation, he explained.

Musk had previously tweeted out a story about a Tesla owner reportedly driving a Model S car through a flooded tunnel in Russia and successfully coming out of the other side.

The Tesla founder said he was “still planning to do a sports sub car that can drive on roads” as a “side project” with limited market potential.

This article originally appeared on Time.com