Tesla’s diner is well suited for those fans in so deep it’s “like a cult,” Greenspan says—but the goal is to feed something bigger. “What makes a diner is hospitality,” he says. “It needs to feel comfortable, welcoming, and that’s really hard to do in a quick-service environment, especially when we’re serving you in your car.”

The new Tesla Diner in Hollywood is drawing large crowds but faces some complaints from neighbors about parking, traffic, and noise.