An electronic control system is described for use in an agricultural vehicle having a hitch for towing an implement. The control system controls any one or more of a plurality of sub-systems.The electronic control system comprises a memory (12), a recording mode during which a sequence of control steps is stored in the memory and a playback mode during which a previously recorded sequence of steps is read from the memory.The control system incorporates a display panel (22) and during the playback mode icons (221) are displayed on the panel (22) to indicate to the vehicle driver graphically a plurality or all of the steps of a sequence recorded in the memory (12) in their correct order of execution together with a visual indication of the step in the recorded sequence currently being executed.
