You need to look for the switched circuit (which stays on for about 15 minutes after turning off the car). There are several in the fuse box on the right hand side in the trunk. Try fuse 128 to 136. I seem to remember that that is a switched fuse.
See
https://www.newtis.info/tisv2/a/en/f...ear/1VnXFmUESj for diagram