Posted on youtube by Hasbro are three, minute-long animated videos called, "How to Ride your Dinobot".... in the style of Loony Tunes.
They aren't anything serious, and don't have any spoilers from the movie... so you might get a little laugh from them.
Part 1 - getting on your dinobot
Part 2 - how to ride your dinobot
Part 3 - how to fight with your dinobot