Have to remain alert for changing road conditions, hazards, low bridges etc, also must exit vehicle and assist driver whenever truck is backing up, parking, moving close to a structure, always watching for obstructions, wires, tree branches etc, no texting or non company issued electronic devices are to be used while in the vehicle. Be Responsible for all electronic communication while the truck is in motion, drivers are not allowed by law to use cell phones while the truck is in motion, also responsible for GPS programming and assisting the driver with the best route.