MZ001 - KEY PROGRAMMING FOR MAZDA 3/CX-30 2020+MZ001 KEY PROGRAMMING FOR MAZDA 3 CX 30 2020+ Requirements AMS FR008 I18 The key programming special function for Mazda 3 and Mazda CX 30 vehicles produced after 2020 allows customers to add keys in both spare key and ALL KEYS LOST situations as well as delete existing keys. The procedure is performed completely by OBDII and works with original keys which can be reused once programmed. Active AMS and Internet connection are required for the procedure.