Last year was a big year for the Polaris Slingshot. A new motor built by Polaris—the makers of Indian motorcycles—replaced an outsourced powerplant, and along with it came an automatic transmission. Without a doubt, AutoDrive is a revolutionary development for the Slingshot world.

Many people do not know how to operate a manual-clutch transmission, and that kept them out of the Slingshot driver’s seat.
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https://ultimatemotorcycling.com/2020/12/08/2021-polaris-slingshot-sl-review-with-autodrive-and-paddle-shifters/