Why Put A Plastic Bottle On Tire When Parked . Table of contents why do people put plastic usually, thieves stick the empty containers down into wheel wells, often on the driver's side, to steal either a car or the driver's possessions. But more importantly, it means that some schmuck likely put it there on. DevAid Trashtag Challenge recap DevelopmentAid Careers from workwithus.developmentaid.org Apparently, bad guys are sticking the empty containers in wheel wells, typically on the passenger side, as a means to steal either the car or the driver's belongings. Afterwards, they place an empty plastic bottle on top of the car’s passenger side tire wedged in between the rubber and the wheel well. Yes, they can do it even if the action is not typified in the traffic regulations if the agent considers that it puts road safety at risk.