My car is too old for Android Auto. Here’s how I used a spare phone to add it anyway

iOttie Easy One Touch 5 Dashboard Phone Mount — If you're repurposing a spare Android phone as a makeshift Android Auto screen, you need it locked in place where you can actually see and tap it. The iOttie Easy One Touch 5 sticks to the dash or windshield and holds phones securely with a one-touch clamp, so your DIY head unit doesn't slide into the footwell on the first turn.