If you have noticed your Pt Cruiser overheating, don't worry, your not alone. . . .
CoolantStep 1. Two cheap tweaks will include changing the radiator cap (it may be faulty, and causing your radiator to malfunction), and/or change the thermostat and gasket. When you initially notice your Cruiser overheating, you need to immediately check the coolant amount of your car.
Low coolant might be the obvious culprit here, but be careful when in the wedding you are taking the radiator cap off! It will be hot for a while after you shut off your car!.