Headlight & DRL Guides
Fix a failed DRL by chassis code, or source the parts wholesale.
How to Fix Failing DRLs on Your 2013-2018 Audi Q5: Replace the Light Guide & LED Board
Is your Audi Q5's daytime running light dim or dead? Learn the common failure, how to diagnose it, and step-by-step replacement using the DRL light guide and LED board.
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How to Fix Failing DRLs on the 2019-2023 Audi A6 C8: Replace the Light Guide Strip
If your Audi A6 C8's daytime running lights are dimming or showing dark spots, the light guide strip is likely the culprit. Here's how to diagnose and replace it yourself, saving thousands over a new headlight assembly.
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BMW X5 F15 DRL Not Working? Module Replacement (2014-2019)
BMW X5 F15 / X6 F16 daytime running light not working? The DRL module is the usual culprit — this guide covers diagnosis, the exact part you need and how to fit it.
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Tesla Model 3 DRL Not Working or Dim? Light Guide Strip Fix (2019-2022)
Tesla Model 3 DRL dim or dead? The light guide strip is the usual culprit — fitment-verified for 2019-2022, plug-and-play, 1-year warranty.
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How to Fix Failing DRLs on the 2021-2023 VW Golf 8: Replacing the Light Guide Strip and LED Board
If your 2021-2023 Volkswagen Golf 8 has a dim or broken daytime running light, this guide explains the cause and how to replace the light guide strip and LED board yourself.
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Fix Fading or Broken DRLs on Your Mercedes-Benz W213 (2016-2023): Complete Replacement Guide
Learn why the daytime running lights on the W213 E-Class fail, how to diagnose the issue, and step-by-step replacement with the correct light guide strip and LED board.
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