A remotely operated vehicle assembly for picking up storage bins from a storage system and a method for change of vehicle direction. The vehicle assembly has a vehicle body with a cavity suitable for receiving a storage bin stored within the storage system, a lifting device for lifting the containers into the cavity and a displacement arrangement including a motor for lifting one of two sets of wheels in or out of engagement with an underlying track for changing vehicle direction. The displacement arrangement includes a displacement plate and a vertically displaceable bar arranged in a lateral plane above the cavity.