A method and system for driver attention management system may include means for closed-loop diagnostics. A convenience message may alert a driver of an item of interest to the driver. A sensor may detect the driver's response to the convenience message. Based on the response to the convenience message, the characteristics of an attentive response from the driver may be determined. The determined attentive response may be used by a driver attention management system. The driver attention management system may be able to diagnose errors in the sensors that are used in the driver attention management system. The driver attention management system may also be able to determine whether a driver is exercising sufficient supervisory control of a vehicle by determining whether the driver is attentively responding to prompts provided by the driver attention management system. The driver attention management system may be used in an autonomous or semi-autonomous driving system.