When all the doors (and trunk) are locked and closed, the room lamp will come on for about 15 seconds if any of the below is performed.
Component (1)
...
Child seat anchorage position
For small children and babies, the use of a child seat or infant seat is strongly
recommended. This child seat or infant seat should be of appropriate size for the
child and should be installed in ...
Installation
1.
Install the bulb.
2.
Install the trunk trim.
...