first need recode car for led drl vcds 46 and follow popup window
second spliced two positive wires inside headlights from DRL and parking light (don't remove parking bulb )
third install any led bulb
don't worry about parking light when u turn on, led dimming automatically .
now u have led drl and no more bulb failure message on screen
this mod work on d3a8 from '06 to '09
1 drl on
2 parking lights
3 driving lights
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