If your vehicle has manual windows, use the window crank to open and close each window.
Windows
Power WindowsChevrolet Cobalt Service & Repair Manual. Cooling System Pressure, Test
Caution: To avoid danger of
being burned, do not remove radiator cap while engine and radiator are still
hot, as fluid and steam can be blown out under pressure.
If radiator cap has contamination,
rinse it with water.
Before using a radiator pressure
...