1. Park your car on a level surface and turn off the engine. Allow it to cool down for at least 15 minutes to prevent burns.
2. Open the hood of your car. Locate the radiator, which is usually a rectangular plastic or metal container at the front of the engine compartment.
3. Check the coolant level in the radiator. The coolant level should be between the "MIN" and "MAX" marks on the radiator's side.
4. If the coolant level is low, you need to add more. Use a funnel to pour the coolant into the radiator. Be careful not to overfill it, as this can cause damage to the engine.
5. Once you have added coolant, close the radiator cap tightly.
6. Start the engine and let it run for a few minutes. Check for any leaks around the radiator cap or hoses. If you see any leaks, turn off the engine and fix the leaks before driving the car.
7. Turn off the engine and let it cool down again. Recheck the coolant level in the radiator to make sure it is still between the "MIN" and "MAX" marks.
Note: Always consult your car's owner's manual for specific instructions and recommendations on how to fill the radiator. The above steps are general guidelines and may vary slightly depending on your car's model and make.
