How many days what? The Buyer's Remorse law does not apply to the purchase of a vehicle if that is what you are talking about.
None, the buyers remorse law does not apply to the purchase of a new or used vehicle.
In most states, a person has 3 days to change their minds about buying a car. You can take the car back to the lot and ask to redo the paperwork in these 3 days. After the 3 days, you can't change anything.
Its a huge purchase, you should know everything you possibly can. If you are buying a new one, rent a similar model for a few days to see if you like it.
Congrats on thinking about buying a new car. Here are a few websites you can go to to help you pick a new car that suits your tastes; http://www.edmunds.com/car-buying/5-questions-to-ask-before-you-say-yes-to-a-new-car-deal.html and http://www.caranddriver.com/features/buying-a-car-what-to-know-before-you-go
When you are buying a new car you will need to have the following documents with you, your drivers license and proof of insurance. You should also be ready to provide proof of income if this is the first time you are buying a car.
Three by car
In almost every new car extended warranty, you are able to cancel within 30 days. Each policy has their own rules and it is spelled out in the paperwork you signed when you bought the car.
There is no age requirement for buying a new car. As long as you have the cash, you can buy a car.
One can find tips for buying a new car from friends and family, and even from the car sales companies themselves. Another source is New Cars for Dummies.
There are many advantages of buying a used car over a new car. When buying a used car you can save thousands of dollars depreciation. Buying a 2 or 3 year old car with low mileage in some cases can save you over $20,000. You can own a current model car and still have a car that is under factory warranty.
Read the contract that you signed when you made the purchase
There is no age requirement for buying a new car. As long as you have the cash, you can buy a car.