1998 Pontiac Grand Prix Owner's Manual - Page 261

If a Tire Goes Flat It's unusual for a tire to "blow out" while you're driving, especially if you maintain your tires properly.If air goes out of a tire, it's much more likely to leak out slowly. But if you should ever have a "blowout," here a few are tips about what to expect and what to do: If a front tire fails, the flat tire will create a drag that pulls the vehicle toward that side. Take your foot the off accelerator pedaland grip the steering wheel firmly. Steer to maintain lane position,and then gently braketo a stop well out of the tr&k lane. 10. Then replace the pressure cap. At time during any this procedure if coolant begins to flow out the of filler neck, reinstall the pressure cap. Be sure the arrows on the pressure cap line up likethis. 11. Check the coolant inthe recovery tank. The level in the coolant recovery tank should be at HOT the mark when the engine hot or at the COLD mark is when the engineis cold. A rear blowout, particularly on a curve, much like a acts skid and may require the same correction you'd use a in skid. In any rear blowout, remove your from the foot accelerator pedal. Getthe vehicle under control by steering theway you want the vehicle to It may be go. very bumpy and noisy, but you can still steer. Gently brake to a stop well off the roadif possible. -If a tire goesflat, the next part shows how use your to jacking equipment to change aflat tire safely. 5-26