If you're trying to make your car more appealing and reduce your air-conditioning bills, tinting your car windows may be something to consider. Window tinting has other benefits, such as reducing or eliminating the sun's ultraviolet (UV) rays from penetrating your vehicle, but if you don't know much else about the process, here are five questions that many people ask to get them up to speed. 1. What Is Tinting? -- Tinting is a process in which your car windows are treated with a film that bonds to the glass and makes it appear darker.