<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
How old do you have to be to rent a car?
<|assistant|>
In the United States, the minimum age for renting a car varies by company. Generally, you must be 21 years old to rent a car, however some companies may require you to be 25 years old or older. Additionally, you will need to show proof of a valid driver's license and a major credit card.