An electronic control system 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 relating to the vehicle operation. The electronic control system includes a memory, a recording mode, and a playback mode. In one aspect of the invention, the driver is enabled during the recording mode to record a break signal in addition to, and without interruption of, the recording of the sequence of control steps being executed by the driver and in that during the playback mode automatic execution of the recorded control steps is interrupted upon detection of a break signal, execution of the remaining recorded control steps in the sequence being resumed only in response to an instruction from the vehicle driver.