Excuse my ignorance, but are the grills the two little criss cross thingies in the front of the hood? if they are, mine have literally fallen out TWICE. I have NO idea why they do that but the first time I lightly tapped the back end of a car in front of me; they fell off so I stopped traffic and got out and got them babies. I was sure they were a hundred dollar part. LOL come to find out, they're only like 60. anyway, if that's what the grills are, then they are supposed to be held in by two bolts and u get to them, mine at least, the same way you get to the fog lamps, get on ur back and crawl under the front end; you should see them