What changes
Module 09: object 0A5E, byte 2, bit 6 = 1 (0D21, byte 1, bit 6 on a coded module). Under emergency braking the hazard lights come on by themselves.
Details
The 'Notbremsblinken' setting of the central electrics. The module sets the trigger by deceleration — normal braking changes nothing. The map comes in two variants — object 0A5E (module without long coding) or 0D21 (module with a filled long coding); Odyx uses whichever object the module has. Access code 31347. Rollback: write the object backup from the history.