I was just reading an article in Readers Digest about some little known uses for WD40. Here is number 41 that I cut and pasted from the article.
41. Keep dead bugs off car grille
It’s bad enough that your car grille and hood have to get splattered with bugs every time you drive down the interstate, but do they have to be so darn tough to scrape off? The answer is no. Just spray some WD-40 on the grille and hood before going for a drive and most of the critters will slide right off. The few bugs that are left will be easy to wipe off later without damaging your car’s finish.
Read more: http://www.rd.com/slideshows/13-amazing-uses-for-wd-40/#ixzz33dKfRSq8