179. Notwithstanding articles 974 and 1592 of the Civil Code, the merchant shall not retain possession of the consumer’s automobile(a) if the merchant has failed to give an estimate to the consumer before carrying out the repairs; or
(b) if the total price of the repairs exceeds the price indicated in the estimate, provided that the consumer pays the price indicated in the estimate; or
(c) if the total price of the repairs exceeds the aggregate amount of the price indicated in the estimate and the price agreed to when the modification was authorized, provided that the consumer pays a price equal to that amount.