In the coding there are quite a few non-factory features related to lights:New read is:
B8A4393A0A6B349193284D747E999E7CCFA0690F60C869CC320400230800
BYTE-BIT
12 -1 DRL adjustable now active (presumably in dash menu - however, doesn't work on T6)
13 - 1 Now Parking light function is not active
13 - 4 Now "1" - however function unknown to me
21 - 7 Now "1" - however function unknown to me
23 - 2 Foglights as DRL
23 - 3 Low beam as DRL