Here’s how it works. If your car has Bluetooth and you have just updated your device to Windows Phone 8.1 GDR1, you need to head over to your car right now and try this out.

Thus, we’re going to look at how to modify your existing stock car stereo to accept an auxiliary cable input or even a Bluetooth module.

Set up Android Auto in any older car with these steps: Buy a car phone mount and a Bluetooth receiver, and use a few handy apps and settings to make the experience seamless.

As the site notes, you should be able to unlock Bluetooth functionality in your vehicle by installing an adapter—useful, if you want to keep your car’s current stereo for whatever reason.

However, like the Sync, the Azentek permits voice control of music indexing on MP3 players such as the iPod, Zune and Bluetooth music-ready cellphones, and allows hands-free calling.

You can pair a Samsung Galaxy S10 to your car to play audio, make hands-free phone calls, and hear navigation instructions. Here's how to do it.