2008 Volvo S40 Owner's Manual - Page 167

they may not be optimal. Further, tires that are rotated, but not on a regular basis, may actually cause more tire noise, faster tire wear, and unpleasant changes in steering feel and vehicle handling. A tire that can fully adapt to its position will provide better steering feel, lower tire noise, and better fuel economy. Braking stability performance Your vehicle is driven mainly by the front tires, which will wear faster. This can be beneficial. Having more tread on the rear tires will help reduce oversteer. Oversteer is when a vehicle wants to keep turning because of momentum and dynamic forces on its suspension. Suspension wear diagnostics Every suspension needs periodic inspection and maintenance. A tire's wear pattern can be an aid in detecting a suspension problem. Each tire, if left in place, tells a story about the suspension. Tire rotation, on the other hand, could make suspension wear harder to detect. Early detection is very important, because suspension problems can make tire wear worse. If you do rotate your tires...Please follow the tire manufacturer's recommendations, as outlined in the tire manufacturers tire warranty pamphlet. 184 07 Wheels and tires Changing a wheel Changing a wheel The spare tire, jack, and crank are located under the carpet on the floor of the cargo area. To change a tire: 1. Engage the parking brake. 2. Put the gear selector in Park ( P). 3. Block the wheels that are on the ground with wooden blocks or large stones. 4. Remove the wheel cap (where applicable) using the lug wrench in the tool bag.