Most of the roads that we drive on are not perfectly smooth and straight. S-curves, potholes, speed bumps, construction zones, and weather conditions make it necessary for vehicles to have control mechanisms. A properly working suspension and steering system gives the operator and passengers of the vehicle a smooth and pleasant ride. Shocks, struts, springs, and tires all assist in controlling the automobile by keeping the tires in contact with the road. This course will help you define the purpose and identify the function of the steering system, define the purpose and identify the function of the suspension system, inspect suspension and steering components, identify tire ratings, describe different tread designs, and inspect and rotate tires.