1996 Pontiac Grand Am Owner's Manual - Page 260

Inflation Tire Pressure The Tire-Lo,ading Information label which on the rear is edge of the driver'sdoor shows the correct inflation preissures for your tires when they're cold. "Cold" means your vehicle has been sitting forat least three hours or driven no morethan 1 mile (1.6 k ) m. ~~ ~~ ~~ - ~~ NOTICE: (Continued) If your tires have too much air (overinflation), you can get the following:' e Unusual wear Bad handling Rough ride e Needless damage from road hazards. NOTICE: Don't let anyone tell you that underinflation or overinflation is all right. It's not. 1% your tires don't have enough air (underinflation),,you can get the following: 0 Too much flexing 0 Too much heat 0 Tire overloading Bad wear Bad handling Bad fuel economy. NOTICE: (Continued) ~~ * * When to Check Check your tires once a month or more. be Don't forget your compact spare tire. It should at 60 psi (420 Wa). How to Check Use agood quality pocket-type gage to check tire pressure. You can't tell if your tires properly inflated are simply by looking at them. Radial tires may look properly inflated even when they're underinflated. Be sureto put the valve caps back the valvestems. on They help prevent leaks by keeping out and dirt moisture. 6-38