A new car should be a new car, without any damage. But, if you did sign the contract after you saw the one scratch at night, the dealer may have needed to disclose in writing all of the damage (what you first saw and what you saw the next day) in writing before you signed.
From NC Department of Justice - Disclosing New Car Damage
• Dealers are required to disclose in writing any damage and repair
that exceeds five percent of the manufacturer’s suggested retail price
before you enter into a contract.
• Dealers are not required to disclose any damage to glass, tires or
bumpers if the damaged item has been replaced with original or
• If a new car has been repaired for damages that do not exceed five
percent of the manufacturer’s suggested retail price, then the dealer
does not have to tell you about the damage unless you ask.
• If a new car has been damaged more than the five percent threshold,
the North Carolina Automobile Dealer’s Association recommends that its
dealers disclose it in writing on company letterhead. A copy of this
disclosure should be submitted along with the title to the Division of
So if you are now in possession of the car, tell the dealer you have checked with the NC DOJ and ask the dealer about the total cost of the damages and see what they say.
It's a good idea to take photos, and you may want to get a repair estimate from a body shop to calcuate yourself if the damage is over the 5% threshold.
If you suspect the car may not be new and may be used, that's serious, and the dealer will have had to fully disclose that in writing. You can talk to the DMV or use the VIN number to check CARFAX.
If you have problems with the dealer or suspect the car may not be new, you can contact the DOJ at the URL above or call them at 1-877-5-NO-SCAM.