Paramount Pictures and Western Star trucks are partnering with carpool service Uber to promote “Transformers: Age of Extinction.”

Starting today in Dallas, “Transformers” fans and Uber users will have the opportunity to request a ride form the film’s iconic Optimus Prime, which is customized by Western Star 5700 trucks. The next stops are on June 19 in Phoenix on June 21 in Los Angeles.

Optimus Prime will take riders on a complimentary trip anywhere within 15 minutes of the request. Photos and details of their journeys can be shared on Twitter and Instagram with the #UberTransformers hashtag. Fans in these cities can enter the code Transformers on the Uber smartphone app then select the Autobots option to request a ride between 1 and 7 p.m. those days. Rides are limited and will be available on a first come, first served basis.

“Transformers: Age of Extinction” is the fourth film in director Michael Bay’s global blockbuster franchise.  The cast includes Mark Wahlberg, Stanley Tucci, Kelsey Grammer, Nicola Peltz, Jack Reynor, Sophia Myles, Li Bingbing, TItus Welliver and T.J. Miller.

The film is produced by Don Murphy & Tom DeSanto, Lorenzo Di Bonaventura and Ian Bryce, with a script by Ehren Kruger.

“Transformers: Age of Extinction” opens on June 27.