Therefore, in an instruction of AEG ARCTIS No-frost (frost free) one could find a process description. The term originates from the Latin word „instructio”, which means organizing. A necessary precondition for this is the unmistakable, legible character of an instruction. In accordance with the law, a customer can receive an instruction in non-paper form lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. The rules should oblige the seller to give the purchaser an operating instrucion of AEG ARCTIS No-frost (frost free), along with an item.