Legend has it garlic and crosses are for fending off vampires, and a wooden stake through the heart and exposure to daylight is for erasing their otherwise immortal lives. Audi has adapted the lore slightly with their 2012 Super Bowl ad, to also include LED headlamps on the short list of things capable of killing the blood-sucking beasts.

Yes, while other automakers used the multimillion dollar time slots to sell a car or promote their…