2000 Cadillac Catera Owners Manual

CAUTION: (Continued) Overinflated tires are more likely to becut, punctured or broken by a suddenimpact -- such as when you hit a pothole.Keep tires at the recommended pressure. Worn, old tires can cause accidents. If yourtread is badly worn, or if your tires havebeen damaged, replace them.See “Inflation -- Tire Pressure” in this sectionfor inflation pressure adjustment for higherspeed driving.Inflation -- Tire PressureThe Tire-Loading Information label, which is locatedon the rear edge of the driver’s door, shows the correctinflation pressures for your tires when they’re cold.“Cold” means your vehicle has been sitting for at leastthree hours or driven no more than 1 mile (1.6 km).If you’ll be driving at speeds higher than 100 mph(160 km/h) where it is legal, raise the cold inflationpressure of each tire to 38 psi (260 kPa) for tire sizeP225/55R16 and to 39 psi (270 kPa) for tire size235/45R17. When you end this very high-speeddriving, reduce the cold inflation pressures to thoselisted on the Tire-Loading Information label.NOTICE:Don’t let anyone tell you that underinflation oroverinflation is all right. It’s not. If your tiresdon’t have enough air (underinflation), you canget the following: Too much flexing Too much heat Tire overloading Bad wear Bad handling Bad fuel economy.If your tires have too much air (overinflation),you can get the following: Unusual wear Bad handling Rough ride Needless damage from road hazards.6-39