Toyota Motor Corp. is trying to combine autonomous vehicles and retail into futuristic pop-up shops, and has convinced Amazon.com Inc. to help out.

At a news conference Monday at CES Media Days, Toyota TM, -0.55% showed off a new concept called e-Palette, a vehicle similar to a food truck that is highly customizable—examples shown included a rolling restaurant, retail shop and donation-pickups vehicle. Partners in the company’s new e-Palette Alliance—which will “collaborate on vehicle planning, application concepts and vehicle verification activities,” according to an official announcement—include Amazon AMZN, -1.78% , ride-sharing titans Uber and Didi Chuxing, Pizza Hut and Mazda Motor Corp. 7261, +0.62%