The shiny puddles look like some low-temp metal melted and oozed out of the car as it burned. I wonder what part(s) melted, and what type of metal it is?
The picture is from a NPR piece about the current Los Angeles wildfires: https://www.npr.org/sections/the-picture-show/2025/01/09/g-s1-41784/los-angeles-fire-photos
Magnesium alloy subframe, suspension, and wheels are also fairly common in modern cars.
FWIW the magnesium would burn rather than melt probably