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Changing DRLs on 2015 Astra J GTC VXR - Printable Version

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Changing DRLs on 2015 Astra J GTC VXR - SGR32 - 2:nd-Feb-2021

Good morning all, 

I have just changed the daytime running lights from the standard halogen bulbs to Canbus LED T20 7443 W21/5's and now they don't seem to come on on Auto light mode, nor when I unlock the car now they don't come on. If I want them on I have to switch to sidelights for them to come on. Is there any fix to this? Any help would be greatly appreciated. 

Thank you,


RE: Changing DRLs on 2015 Astra J GTC VXR - Rusty2009 - 2:nd-Feb-2021

Try rotating them them.


RE: Changing DRLs on 2015 Astra J GTC VXR - SGR32 - 2:nd-Feb-2021

Thank you for your response! Do you mean the actual bulbs in the holder or turning the bulb holder the other way round?


RE: Changing DRLs on 2015 Astra J GTC VXR - Rusty2009 - 22:nd-Feb-2021

Rotate the bulb 180