1993 Pontiac Bonneville Owner's Manual - Page 209

Problems on the Road I Engine Overheating (CONT.) Ifa Tire Goes Flat 8. Then replace the pressure cap. Be sure the arrows on the pressure cap line up like this. 6. Start the engine andlet it run until you can feel the upper radiator hose getting hot. Watch out for the engine fan. 7. By this time, the coolant level inside the radiator filler neck may be lower. If the level is lower, add more of the proper mix through the filler neck until the level reaches the baseof the filler neck. It's unusual for atire to "blow out" while you're driving, especially you if maintain your tires properly. Ifair goes out of a tire, it's much more likely to leak out slowly. But if you should ever have a "blowout:' here are a few tips about what to expect and what to do: If a fronttire fails, the flat tire will create a drag that pulls vehicle the toward that side. Take your foot off the accelerator pedal and grip the steering wheel firmly. Steer to maintain lane position, then gently brake to a stop well out of the traffic lane. 1