So I am starting to think more concretely about baby stuff since I'm 10w along now. I live in south Florida and it's hot in cars year round, of course worse in the summer but even in the winter.

I started thinking, HOW on earth do people keep their car seats cool in the backseat, rear-facing, in really hot climates? I can't leave anything in my car because it just gets roasted/melts.

So, I know it's winter and cold out right now, but what are your tips/suggestion for keeping your car seat and your baby cool when your car is hot??