It's no big deal to eat in your own car, but would you do the same if you were in a friend's vehicle? Most people argue proper etiquette is to ask the owner or driver of a car whether or not it is okay to eat, and obviously, this rule transfers to riding in an Uber or Lyft. Others feel it's acceptable to eat food anywhere, so long as they don't make a mess. If you're paying for the ride, it shouldn't matter whether or not you eat in the car. What do you think?