1996 Pontiac Sunfire Owner's Manual - Page 260

Inflation - Tire Pressure The Tire-Loading Information label which is on the rear edge of the driver's door shows the correct inflation pressures for your tires when they're cold. "Cold" means your vehicle has been sitting forat least three hours or driven no more than a mile. NOTICE: (Continued) NOTICE: Den2 b a n y m $e!% %a$ M&!FJnn&h OF y-txl overinflation isall right. It's not. If your tires don't have enough air (underinflation),you can get the following: Too much flexing Too much heat 0 0 If your tires havetoo much air (overinflation), you can get the following: Unusual wear Bad handling Rough ride 0 Needless damage from road hazards. When to Check - ,~ . , 1 . ... .~, .. a Check your tires once month or more. Don't forget your compact spare tire. It should be at 60 psi (420 P a ) . Tire overloading Bad wear Bad handling Bad fuel economy. NOTICE: (Continued) How to Check Use a good quality pocket-type gageto check tire pressure. You can't tell if your tires are properly inflated simply by looking at them. Radial tires may look properly inflated even when they're underinflated. Be sure to put the valve caps back on the valve stems. it They help prevent leaks by keeping outd r and moisture.