Audi A6 (C5) Lighting Guides
Customizing your Audi A6 (C5)'s lighting is an easy process with our library of how to articles. We'll tell you what you need to know in order to upgrade to HIDs, repair broken housings, improve your fog lights, and how to black out (or red out) your tail lights.
How to Replace Interior Lights with LEDs
Brighten up your Audi's interior, literally!
Why are My Headlights Dim?
There are simple ways to diagnose and repair a loss of light intensity in headlamps.
Why Aren't the Adaptive Headlights Working?
Have your adaptive headlights stopped adapting? Find out why and figure out how to fix them.
Why Won't My Interior Lights Turn On/Off?
Interior lights that won't turn on or off can be a sign of a small issue or a much larger (and expensive) problem. Here are a few reasons why your interior lights might not be working properly.
Why Aren't My License Plate Lights Working?
License plate lights that fail to illuminate don't just look bad. In some cases, it could cost you an expensive ticket or a failed inspection.
How to Install HID Fog Lights
Learn how to install HID fog lights in your A6.
How to Install HID Headlights
If you want to seriously upgrade the power (and looks) of your car's external lighting, HID is a solid choice.
How to Remove the Headlight Assembly
Removing the headlights from an Audi A6 can be a real pain if you don't know where to find all the bolts, or if you don't have the proper tools.
Have your headlights suddenly stopped working, leaving you out in the dark?
Why Aren't My Parking Sensors Working?
Parking sensors are a nice little convenience item, when they're working of course.
How to Replace Front Parking Lights
Replacing the front parking lights on an A6 can be a very easy or very difficult job, depending on how you choose to do it.