2010 Hummer H3 Owner's Manual - Page 317

Vehicle Care 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 Vehicle Load Limits on page 9‑27. . 10-51 Premature or irregular wear Poor handling Reduced fuel economy . . 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 Vehicle Load Limits on page 9‑27. How you load your vehicle affects vehicle handling and ride comfort. Never load your vehicle with more weight than it was designed to carry. When to Check Check your tires once a month or more. Also check the tire pressure of the spare tire. If your vehicle has a compact spare tire, it should be at 60 psi (420 kPa). See Full-Size Spare Tire on page 10‑85 for additional information. 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 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: ... Too much flexing Too much heat Tire overloading A vehicle specific Tire and Loading Information label is attached to your vehicle. This label shows your vehicle's original equipment tires and 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