#4: Existential Crisis on the Road
This is a funny take on those “How am I driving?” stickers with a phone number on the back of company vehicles. Some people like to take everything literally and show off their sarcasm as often as possible, and we’re here for it. This one quickly devolves into an existential crisis, though. I’d be discreetly changing lanes if I landed behind them.

That’s pretty dark as bumper stickers go. The last thing I need while driving is to dive deep into a philosophical debate about our existence. Driving is stressful enough as it is without questioning our entire existence. Those are some pretty important questions this person is asking, but there’s a time and place for everything.
