1993 Oldsmobile Silhouette Owner's Manual - Page 250

Service & Appearance Care Inflation-Tire Pressure The CertificatiodTire label which is on the rear edgeof the driver's door shows the correct inflation pressuresfor your tires, when they're cold. "Cold'' means your vehicle has been sitting for at least three hours or driven no more thana mile. Don't let anyone tellyou that underinflation or overinflation is a l right. It's not. If your tires don't l have enough air (underinflation), you can get: Too much flexin1 Too much heat Tire overloadine Bad wear Bad handling Bad fuel economy. I your tireshave too muchair f (overinflation), you can get: Unusual wear Bad handling Rough ride Needless damage from road I When to Check: Check your tires oncea month or more. Don't forget your compact spare tire. It should be at60 psi (420 kPa). How to Check: Use a good quality pocket-type gage to check tire pressure. Simply looking at the tires will not tellyou the pressure, especially if you have radial tireswhich may look properly inflated even if they're underinflated. If your tires have valve caps, be sure to put them back on. They help prevent leaks by keeping out dirt and moisture.