Left Rear Door Ajar

The LRDM receives a discrete input from the left rear door ajar switch. The IPC and IRC receive the status of the left rear door from the LRDM via GMLAN serial data. When the left rear door is open/ajar and the vehicle is in any gear other than PARK, the driver information center (DIC) will display LEFT REAR DOOR AJAR. If the door is still ajar when the vehicles speed is greater than 4.8 km/h (3 mph) the LRDM will send a GMLAN serial data message to the IRC requesting 5 chimes to sound.