“Did they worship this car?”
“He wondered what aliens might think if they ever came across the Roadster drifting through space. After all, SpaceX packed other weird items in the car, among them a small toy Hot Wheels Roadster (complete with a miniature Starman) on the dashboard.
“Maybe [it will be] discovered by an alien race, thinking, ‘What were these guys doing? Did they worship this car? Why do they have a little car in the car?'” Musk said. “That will really confuse them.”‘
Source: Elon Musk’s Tesla Roadster Is Headed to the Asteroid Belt