TO_ Purchase the key plip remote shell buttons 3 CE 0534 No problem for fast delivery and no error in the room B_ Replacing the wrench by the key of the old grooved Fax. What you should know: the key is in 2 parts, the actual blade (flat or grooved) and also embedded in a swiveling metal bracket on the axis for rotating the set (deletion of the blade) Step 1: separation of the two parts (a pin strengthens the link) withdrawal of the pin (is done without opening the shell): open the flat blade to access this pin which is almost flush with the coque.On remove the flat blade and replaced by grooved that one withdraws by the same method on the old remote control. Step 2 implement the electronic part in the new shell. Citroen At 130, by this method 15 ... A +