Want to add Android Auto to your old car? Here are two ways - including one that's under $20

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Android Auto and infotainment screens have become standard equipment in almost any car from the past 15 years, but if you have a vehicle from the time before that, you might feel like you're missing out.

If you haven't considered it before, you might think that you're fine just using your car's Bluetooth or aux connection, but Android Auto gives you an always-on, glanceable display that's not nearly as distracting as your phone.

Also: Why I'm using wired Android Auto when all the cool kids are switching to wireless

Fortunately, it's not hard to add Android Auto to a car that doesn't have it.

To get Android Auto in an older car, all you need is a phone to host Android Auto (your current phone), some sort of display (either a dedicated wireless screen or an old phone or tablet), and a Bluetooth connection for this screen to connect to your car (you can pick up an adapter if you just have an aux connection but not Bluetooth).

There are two main ways to do this: you can buy a wireless screen designed for this purpose, or you can use an old phone or tablet. Here's a look at the advantages of each method.