Abstract: A device, system and method for establishing, determining compliance and ongoing monitoring of a user in the operation of a machine based on predetermined restrictions. The system is useful for a motor vehicle and, more particularly, to comply with user restrictions in teen driving, the presence of passengers, time of day, curfew, range and location, speed, sobriety and the like, An ignition interlock is engaged if one or more sensors that monitor the presence of the vehicle operator, passengers inside the vehicle compartment, and other operational compliance parameters established for the vehicle is out of compliance, and disengaged if compliance is verified.