WiFi on wheels: How to turn your car into a hotspot

With the right contract or gadget for your cigarette lighter, you can set up your car to deliver Internet to smartphones, tablets and laptops. — Christin Klose/dpa

There are plenty of reasons to be connected to the Internet while in the car, even if it's just to stream movies and music while on the go. But what's the best way to make it happen?

When it comes to getting your car online, "the Internet connection usually works best with the manufacturers' on-board solutions," says Holger Ippen, a specialist who writes for Auto Zeitung magazine.