The wrong anti-freeze could cause the water to freeze in the engine. The wrong anti-freeze could cause abnormal corrosion in the radiator.
Volkswagen or any other vehicle shouldn't use any antifreeze. If any car is using antifreeze something is wrong.
Lack of antifreeze or wrong mix of antifreeze and water.
You spelled "beetle" wrong.
Leek.
You can not. The two cars are completely different...the New Beetle has the engine at the wrong end. The New Beetle is bigger than the Old.
Nothing Nothing
Your heater core has failed.
The headgasket has failed.
It will overheat and cause damage
Yes, it matters which antifreeze you use because different vehicles and engines require specific formulations to ensure optimal performance and protection. Using the wrong type can lead to corrosion, overheating, or damage to the cooling system. Always consult your vehicle's owner manual or a professional to determine the appropriate antifreeze type for your specific make and model.
If you put antifreeze in a system where it doesn't belong, such as in a vehicle's engine or the wrong type of cooling system, it can lead to serious damage. Antifreeze is designed to lower the freezing point and raise the boiling point of coolant, but using it incorrectly can cause corrosion, clogging, or overheating. Ingesting antifreeze is also highly toxic and can be lethal to humans and animals. Always use the appropriate fluids for your specific application to avoid these risks.
You probably used the wrong type of antifreeze. You should use the type for aluminum heads.