1995 Pontiac Firebird Owner's Manual - Page 282

NOTICE: (Continued) The Tire-Loading Information label which on the is If your tires have too much (overinflation), air driver's door shows the correct inflation pressures for you can get: your tires, when they're cold. "Cold" means your vehicle has been sitting for at least three hours or driven Unusual wear .. , ,. no more than a mile. Bad handling Rough ride If you'll be driving atspeeds higher than100mph (160 km/h) where it is legal, raise the "cold" inflation pressure of each 0 Needless damage from road hazards. tire to 35 psi (240 k Pa). When you end this very high speed driving, reduce the "cold" inflation pressures to those listed When to Check on the tire loading information label. . Inflation Tire Pressure - Check your tiresonce a month or more. Don't let anyone tell you underinnation or that overinflation is all right. It's not. If'your tires don't have enoughair (underinflation) youcan get: Too much flexing Too much heat Tire overloading Bad wear 0 Bad handling Bad fuel economy. (Continued) Don't forget your compact spare tire. It should be at 60 psi (420 kPa). How to Check Use a good qualitypocket-type gage to check tire pressure. Simplylooking at the tires will not tell you the pressure, especiallyif you have radial tires -- which may look properly inflated even they're underinflated. if If your tires have valve caps, be sure to put them back on. They help prevent leaks by keeping ou,t dirt and moisture. 6149