System and method which improves the behavior of a driver.

A method of informing a vehicle operator (108) to improve the performance of the operator, the method comprising the steps of: receiving vehicle operating data from the vehicle (112) relating to the vehicle operating condition; monitoring an interior portion of the vehicle and receiving the interior portion of the vehicle operator activity data (118) relating to activities of the operator within the interior portion; receive data from the vehicle (114) from the external environment around the vehicle; monitoring the vehicle operator (108) and receiving operator condition data (116) relating to a vehicle operator status (108); estimating an operator cognitive load by synthesizing and summarizing the vehicle operating data (112), the data operator activity (118), environment data (114) and status data of the operator (116); and prioritizing vehicle information based on the operator cognitive load for selectively informing the operator of the vehicle information.