The technology is expected to come pre-loaded on "millions" of cars sometime later in 2019, although Domino's and Xevo didn't name specific brands or models [though the above image appears to be some sort of GM product, probably a Chevy Equinox]. Either way, this could be more useful than you might think. It's not uncommon to order pizza on the way home to save time — this makes it simple enough that you could make a purchase in the time it takes to stop at a red light.
Reporting by Jon Fingas for Engadget. Car make/model note added by Autoblog.