In the past a car cigarette lighter was only used by smokers to light their cigarettes. But now, it has a whole range of different functions. It can power your GPS unit, charge your phone, or keep one of the many gadgets available for your car working. The best car cigarette lighters even have multiple slots so you can plug more than one thing into it. If you're vehicle didn't come with a car cigarette lighter, or if you're not happy with the one you have, you can easily find international retailers who will ship a new one to your door with free shipping.