2001 Cadillac Catera Owners Manual - Files

Inflation -- Tire PressureThe Tire-Loading Information label, which is located onthe 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 tiresize P225/55R16 and to 39 psi (270 kPa) for tiresize 235/45R17. 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.When to CheckCheck your tires once a month or more. Also, check thetire pressure of the spare tire.6-39