1993 Pontiac Grand Am Owner's Manual - Page 233

Service & Appearance Care nres We don't make tires. Your new vehicle comes with high quality tires made a by leading tire manufacturer. These tires are warranted the tire manufacturers and by their warranties are delivered with every new Fbntiac. If your spare is a tire different brand than your road tires, you will have a tire warranty folder from each of these manufacturers. lnflation-Tire Pressure The Tire-Loading Information label which is on the rear edge of the driver't. door shows the correct inflation pressures for your tires, when they're cold. "Cold" means your vehicle has been sitting for at least three hours or driven no more thana mile. Poorly maintained andimproperly used tires dangerous. a Overloading your tires can causy overheating a a result of too much s friction. You could have an air-out and a serious accident. See the Index under Loading Your Ehicle. Underinflated tires pose the same danger as overloaded tires. The resulting o accident couldcause serious injury. Check all tires fiquently t maintain the recommended presswe. Tire pressure shouldbe checked when your tires are cold. Overinflated tires are more likely t be cut, punctured, or broken by a o sudden impacts such when you hit pothole. Keep tires at the as a recommended pressure. m Worn, old tires can cause accidents. If your tread is badly worn, or if your tires have been damaged,replace them. I I