During the Cybertruck's unveiling in 2019, Tesla CEO Elon Musk claimed that the electric vehicle's "ultra-hard stainless steel ... not wash in direct sunlight,” “Some cleaners and car shampoos ...

produces the single-bay self-contained Splash-N-Dash self-service car wash installed at Chastelet’s home. A soft-bristled foaming brush goes after dirt inside a stainless-steel cabinet ...

Tesla's decision to make the Cybertruck out of stainless steel could be one reason why Musk's electric pickup has been chronically delayed.