This is a fun little time trial game - the aesthetic is definitely on point, especially with the toy car track sorta feel. Echoing the other commenter though, the lack of any audio/music definitely kills the vibe. Even just having some basic engine noises, or UI buttons and sounds, might go a long way to help polish the feel.
The art direction is pretty neat, and the concept of having to wind up your car is also a pretty cool one too. Just pray you don't get stuck facing the wrong way - it's incredibly awkward to reorient and it feels like the car actively fights against you to do so.