System Overview

The central locking system is a distributed system. Those parts which are included in the system are: 

• central electronic module (CEM)
• driver door module (DDM)
• passenger door module (PDM)
• right rear door module (RDM)
• left rear door module (LDM)
• driver information module (DIM)
• phone module (PHM)
• infotainment control module (ICM)
• switch for valet locking
• switch for unlocking the fuel tank filler cover
• lock motor units in the doors
• lock motor at the fuel tank filler cover
• lock motor for the trunk lid/tailgate
• remote control receiver
• supplemental restraint system module (SRS)