bgott is right, at least in my state if you bought the vehicle at the dealer's approved place of business, not somewhere else. I was sure we had the 3 day cooling off period, so I shot my mouth off without checking first. Turns out, there are very restrictive limitations. Here is what I found about Kansas law. It's not the official statute, but it's a reply to a letter from the Attorney General, so that's probably close enough:
Dear Attorney General Stovall:
Earlier this week I bought a used car from a local dealership. I drove the car for two days and decided it was a little smaller than I initially thought. I returned it to the dealer, but he refused to take it back. I thought there was a cooling off period, or a three-day right to cancel law, that applied to these types of purchases. However, the dealership manager said these laws do not apply to automobile purchases. Attorney General Stovall, is this true?
Dear Kansas Consumer:
It is true that there is no three-day right to cancel law, also known as the "cooling off period," for car purchases from a dealer's approved place of business. The three-day right to cancel only applies to sales made at a person's home or at a place away from the seller's normal place of business. If a sale of an automobile is made at the dealership, the three-day right to cancel does not apply.
You may want to contact the dealership to see if it has a policy which would allow you to exchange the car for another one. If so, this provision would fall within the dealership's own customer service policy. There is no law requiring a car dealership to make an exchange, give back a portion of the purchase price, or refund the purchase price for the sole reason that the customer changed his or her mind about the car.
Because automobiles are such expensive purchases, it is extremely important for consumers to do their homework before making the final decision to buy. Have the vehicle inspected by a mechanic, obtain a title history, and carefully examine it for yourself.
Buyer beware.