Is the case of concealing a defect in a car, which the buyer then returns after using it, analogous to the case of concealing a defect in sheep?

Question:
Honorable Shaykh, may Allah grant you success. He says: Is the case of concealing a defect in a car, which the buyer then returns after using it, analogous to the case of concealing a defect in sheep? So, is it obligatory for him to give

Answer:
If he used it while ignorant of the defect and did not know about it, his right of option is not dropped, because he did not accept the defect. However, if he used it after knowing about the defect, his right of option is dropped, because his use of it after knowing about the defect constitutes acceptance of it. Yes.