Almost every car has an ashtray, but its a disgusting habit and with the rate of smokers declining year on year, it turns out we may not even need the ashtray anymore. But here's something we can do about it to make use of it.

Instructables user hells-oui shows us how to turn it into a smartphone dock. All you need is a scrap of plastic, an old dock connector for your phone, and a few tools. No cables required, and it's pretty as well. Check out the source link for the instructions after the jump!

Ashtray iPhone/iPod Dock | Instructables