Hi and welcome to YT.
I'd get this girl to a vet ASAP! The reason I say this is bc she obviously reacted to something SO quickly and bc she was under a car - she very well could've licked antifreeze which tastes sweet and dogs want to lick it - it's EXTREMELY toxic and will/can kill easily. I'd get to the vet FAST if this were my dog. I'm very worried for your girl.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |