As long as you have a warranty, then yes you can return an unsafe used car to the dealer. However, without a warranty, it will be impossible.
You cannot return a car to the dealer. The buyer's remorse law does not apply to the purchase of a vehicle of any kind.
You need to be more specific in your question. Return a car to a dealer, return a leased car, return a borrowed car to a friend, return a rental car?
3 business days.
No, you can not return the car.
You can usually return a faulty car back to the dealer, but to be repaired. You cannot return a car unless the dealer refuses to have it repaired.
You cannot return a car you bought. It is a myth that the Buyers Remorse Law applies to the purchase of a vehicle. It does not.
Look at your rental agreement. It spells it out.
You cannot return it. The buyers remorse law does not apply to the purchase of a new or used vehicle.
You can return a new car if the dealer made a mistake on the contract depending on the type of mistake. If the dealer place the wrong vehicle on the contract, you could return the vehicle.