1993 Buick Roadmaster Owner's Manual - Page 274

Inflation Tire Pressure - ION )orly maintained and improper1 [sed tires are dangerous. Overloading - 3ur tires can cause overheating as aresult of too much friction:You could have anair-out ant serisws accident.See -"Loading Your Vehicle" in the Inde: Underinflated tires pose the same dangc as overloaded tires. Theresulting accident'couldcause serious injury. Check all tires frequently to maintain I recommended pressure.Tire pressure sha I be checked when your tires are cold Overinflated tires are more likely tobe cut, punctured, or broken by a sudden impact, such as whenyou hit a pothole. Keep tires at the recommended pressure I, Worn, old tires can cause accidents. your tread is badly worn, or if your tires have beendamaged, replace them. a 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 vehiclehas been sitting for at least three hours or driven no more than a mile.