I got in my 2011 Mazda 3 hatchback last night, turned on the defroster, and snow blew inside my cabin. How could that happen, I thought? I checked under the hood and all four sides had snow underneath the hood. Where is all this snow coming from? I called the dealer mechanic, and he said the snow is coming throught he hood vents (?), nothing to worry about. Could that be true? I always thought any form of liquid on or near an engine could spell trouble. And I sure dont; want snow blowing inside my car! Help!