All new cars already come with Bluetooth compatibility, which makes it easier to stay connected safely while driving.

Bluetooth does nothing new. Even before the technology was introduced, you could make hands-free calls to Mum and stream Mobb Deep’s The Infamous through your car stereo. Bluetooth’s crowning ...

This one’s a long shot, but it’s possible that your car’s system—whatever it uses to make Bluetooth work—has some kind of update that will restore the functionality you no longer have.

But in almost every used car, there's a way to make Bluetooth connectivity work. It just depends on what era your car comes from, how much you care about audio quality, and what your budget is.

The best way to bring new life to an aging vehicle is to update it with a touch of modern tech. Here are some ways to add Bluetooth connectivity to your car.

If you want to make hands-free calls or stream music, here are four easy ways to add Bluetooth to your car.