Audi A6 (C6) Specifications & General Maintenance
This section features General articles to help you understand your Audi A6 (C6). We have important information, like your car's scheduled maintenance how to deactivate the anti theft system, in guides and diagnostics. Learn about aftermarket and performance modifications, too.
An online VIN decoder offers a fast and free way to obtain valuable information about your Audi.
The warning lights that flash across your Audi provide vital information about your vehicle.
How to Make Audi Windshield Washer Fluid
Replicate the Audi windshield washer fluid you receive at the dealership using these simple and inexpensive hacks.
How to Program HomeLink
HomeLink makes it easy for you to access your garage directly from the interior of your Audi A6 C6.
What's Wrong with My Key Fob?
There are a couple of reasons why the key fob to your Audi has stopped working.
How to Check and Top Off Oil
Don't let contaminated oil destroy the engine on your Audi A6. Keep reading to find out how you can keep your engine oil clean for miles and miles.
Why Won't the Key Come Out of the Ignition
If the key to your Audi becomes stuck in your ignition, you'll need to take steps to ensure the problem does not pertain to a larger issue.
General Information and Recommended Maintenance Schedule
Everything you need to know to keep your A6 properly maintained.
Known Issues and Reliability
You might be surprised to learn the following issues concerning the Audi A6.
Why is My Check Engine Light (CEL) Light On?
Is your Audi A6 is trying to tell you something? Check out our Rosetta Stone inside.
Oil Pressure Warning Light Diagnostic
I believe your car is trying to tell you something.
Audi A6 C6 Oil Consumption Issues
Are you left wondering where all your oil is going?