1. Park the car on level ground and turn off the engine.
2. Allow the engine to cool down completely.
3. Open the hood of the car and locate the radiator cap. It is usually located at the top of the radiator, near the front of the car.
4. Remove the radiator cap by turning it counterclockwise. Be careful not to drop the cap into the radiator.
5. Locate the bleeder screw on the engine. It is usually located near the top of the engine, on the side of the cylinder head.
6. Place a container under the bleeder screw to catch any coolant that comes out.
7. Open the bleeder screw by turning it counterclockwise. Be careful not to drop the screw into the coolant.
8. Allow the coolant to drain out of the bleeder screw until a steady stream of coolant comes out.
9. Close the bleeder screw by turning it clockwise.
10. Fill the radiator with coolant until the level reaches the "full" mark on the coolant reservoir.
11. Replace the radiator cap.
12. Start the engine and let it run for a few minutes.
13. Check the coolant level again and add more coolant if necessary.
