Is this usable in Chicago winters? I am using it on the GF's car and want to make sure I'm safe to leave it in for the winter. Wasn't thinking when I switched it over just a week or so ago. Current OCI will take her til the end of winter.
My guess is yes, as it is a modern high quality syn, but just asking!
My guess is yes, as it is a modern high quality syn, but just asking!