2013 Chevrolet Silverado 2500 HD Crew Cab Owner Manual - Page 424

10-48 Vehicle Care WARNING (Continued) . WARNING (Continued) and a serious crash. See Vehicle Load Limits on page 9‑15. . Underinflated tires pose the same danger as overloaded tires. The resulting crash could cause serious injury. Check all tires frequently to maintain the recommended pressure. Tire pressure should be checked when the tires are cold. Overinflated tires are more likely to be cut, punctured, or broken by a sudden impact- such as when hitting a pothole. Keep tires at the recommended pressure. (Continued) Worn or old tires can cause a crash. If the tread is badly worn, replace them. Replace any tires that have been damaged by impacts with potholes, curbs, etc. Improperly repaired tires can cause a crash. Only the dealer or an authorized tire service center should repair, replace, dismount, and mount the tires. Do not spin the tires in excess of 56 km/h (35 mph) on slippery surfaces such as snow, mud, ice, etc. Excessive spinning may cause the tires to explode. See Tire Pressure for High-Speed Operation on page 10‑58 for inflation pressure adjustment for high speed driving. 20‐Inch Tires If the vehicle has 20‐inch P275/ 55R20 size tires, they are classified as touring tires and are designed for on road use. The low‐profile, wide tread design is not recommended for "off‐road" driving or commercial uses such as snow plowing. See Off-Road Driving on page 9‑5 and Adding a Snow Plow or Similar Equipment on page 9‑105 for additional information. Notice: Low‐profile tires are more susceptible to damage from road hazards or curb impact than standard profile tires. Tire and/or wheel assembly damage can occur . . . .