1997 Pontiac Grand Prix Owner's Manual - Page 315

Tires Your new Pontiac comes with high-quality tires made by a leading tiremanufacturer. If you ever have questions about your tire warranty and where to obtain service, see your Pontiac Warranty booklet for details. 0 E Poorly maintained and improperly used tires are dangerous. Overloading yourtires can cause overheating as a result of too much friction.You could have an airout and a serious accident. See "Loading Your Vehicle" in the Index. Underinflated tires pose the same danger as overloaded tires. The resulting accident could cause serious injury. Check alltires frequently to maintain the recommended pressure. Tire pressure should be checked when your tires are cold. CAUTION: (Continued) Overinflated tires are more likely to be cut, punctured or broken by a sudden impact such as when you hit a pothole. Keeptires at the recommended pressure. Worn, oldtires can cause accidents. If your tread is badly worn, or if your tires have been damaged, replace them. -- 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 for at least three hours or driven no more than 1 mile (1.6 km). 6-45