1. A method of informing a vehicle operator to improve the operator's performance, the method comprising the steps of: receiving vehicle operating data from the vehicle relating to the vehicle operating condition; monitoring an interior portion of the vehicle and receiving operator activity data from the interior portion of the vehicle relating to activities of the operator within the interior portion; receiving vehicle environment data from the environment external to the vehicle; monitoring the vehicle operator and receiving operator condition data relating to a condition of the vehicle operator; estimating an operator cognitive load; and prioritizing vehicle information based upon the operator cognitive load for selectively informing the operator of the vehicle information.