2010 Cadillac STS Owner's Manual - Page 416

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's capacity weight and the original equipment tire size and recommended inflation pressure. See "Tire and Loading Information Label" under Loading the Vehicle on page 5‑23. If your tires have too much air (over‐inflation), you can get the following: ... Unusual wear Poor handling Rough ride Needless damage from road hazards Inflation - Tire Pressure Tires need the correct amount of air pressure to operate effectively. Notice: Do not let anyone tell you that under‐inflation or over‐inflation is all right. It is not. If your tires do not have enough air (under‐inflation), you can get the following: ... A vehicle specific Tire and Loading Information label is attached to your vehicle. This label lists your vehicle's original equipment tires and shows the correct inflation pressures for your tires when they are cold. The recommended cold tire inflation pressure, shown on the label, is the minimum amount of air pressure needed to support your vehicle's maximum load carrying capacity. For additional information regarding how much weight your vehicle can carry, and an example of the tire and loading information label, see Loading the Vehicle on page 5‑23. How you load your vehicle affects vehicle handling and ride comfort. Never load your vehicle with more weight than it was designed to carry. Too much flexing Too much heat Tire overloading Premature or irregular wear Poor handling Reduced fuel economy 6-60