Hey, Let the ol father borrow the S3 last weekend and a fox decided to run into the front of him when he was on the move! Anyway, the central lower grille has popped off. I have pushed it back on and made sure all the lugs are in the right place, but it doesnt seem to "lock" into place and just falls out during the next drive! Anyone know how to make it stay in place? Thanks in adavnce!