I was a bit disappointed in the steering mechanism. There is noticeable play globe steering making fine tuning of the tow impossible with the stock factors. During our testing however; the play within the steering was not noticeable and did not appear to degrade the controllability on the Sumo RC truck. The head unit is premium and additionally to the satellite radio, auxiliary jack for the ipod or MP3 player, undoubtedly are a vehicle access control gates Chicago state among the art speakers...