2011 Chevrolet Silverado 1500 Regular Cab Owner's Manual - Page 469

Vehicle Care The ratings are molded into the sidewall of the tire. See Uniform Tire Quality Grading on page 10‑75. Vehicle Capacity Weight: The number of designated seating positions multiplied by 68 kg (150 lbs) plus the rated cargo load. See Vehicle Load Limits on page 9‑22. Vehicle Maximum Load on the Tire: Load on an individual tire due to curb weight, accessory weight, occupant weight, and cargo weight. Vehicle Placard: A label permanently attached to a vehicle showing the vehicle capacity weight and the original equipment tire size and recommended inflation pressure. See "Tire and Loading Information Label" under Vehicle Load Limits on page 9‑22. 10-63 Tire Pressure Tires need the correct amount of air pressure to operate effectively. Notice: Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can result in: . Overinflated tires, or tires that have too much air, can result in: ... Unusual wear. Poor handling. Rough ride. Needless damage from road hazards. Tire overloading and overheating which could lead to a blowout. Premature or irregular wear. Poor handling. Reduced fuel economy. . . . The Tire and Loading Information label on the vehicle indicates the original equipment tires and the correct cold tire inflation pressures. The recommended pressure is the minimum air pressure needed to support the vehicle's maximum load carrying capacity.