1. A method of controlling vehicle systems in a motor vehicle, comprising: receiving operating information at a first vehicle system from one or more vehicle systems; determining at the first vehicle system a level of drowsiness based on monitoring information received from one or more monitoring devices; detecting a hazard based on the operating information from the first vehicle system; modifying control of the first vehicle system based on the level of drowsiness and the hazard; selecting a second vehicle system that is different from the first vehicle system; communicating the level of drowsiness and information about the hazard from the first vehicle system directly to the second vehicle system; and modifying the control of the second vehicle system based on the level of drowsiness and the hazard.