@Raptorbert If you are trying to disable parking lights with DRL you would change the 1 to a 0.
So it would be 726-38-01 xxxx-xxxx-x0--
1 = DRL includes Parking Lamps Enabled
0 = DRL includes Parking Lamps Disabled
So it would be 726-38-01 xxxx-xxxx-x0--
1 = DRL includes Parking Lamps Enabled
0 = DRL includes Parking Lamps Disabled