1994 Pontiac Grand Am Owner's Manual - Page 200

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'recold. "Cold" means your vehicle has been sitting for at least three hours or driven more than a no mile. - L How to Check NOTICE: (Continued) If your tires have too much air (oierinflation), you can get: 0 Unusual wear 0 Bad handling 0 Rough ride Needless damage from road hazards. Use a good quality pocket-type gage to :heck tire pressure. Simply looking at the ires will not tell you the pressure, :specially if you have radial tires -which may look properly inflated even if ;. :.? . [hey're underinflated... Don't let anyone tell you that underinflation or overinflation is all right. It's not. If your tires don't have enough air (underinflation) 0 0 I P 1. . [f your tires have valve caps, be sure to put them back on. They help prevent leaks by keeping out dirt andmoisture. Yhen to Check Clheck your tires once a month or more. 0 0 Too muchflexing Too muchheat Tire overloading Bad wear Bad fuel economy. , I cIon't forget your compact spare tire. It SIilould , , be at 60 psi (420 P a ) . 0