* Hot engine and Coolant: Coolant is designed to regulate the temperature of the engine and keep it from overheating. Adding coolant to a hot engine can cause it to overheat even more and cause damage to the engine's components.
* Pressure in the cooling system: When the car engine is running, the cooling system is under pressure. Adding coolant to the system while it's pressurized can cause the coolant to leak out or damage the cooling system components.
* Risk of burns: Adding coolant to a hot engine can cause it to spit or leak hot coolant, which can cause severe burns to your skin and eyes.
To safely add coolant to your vehicle:
1. Allow your car's engine to cool down completely.
2. Open the coolant reservoir cap.
3. Add the recommended amount of coolant to the reservoir, as indicated in your vehicle's owner manual.
4. Close the coolant reservoir cap tightly.
5. Monitor the coolant level and top it off if it gets low.
Please note that some cars might have different procedures for adding coolant, so always refer to your vehicle's owner manual for specific instructions.