The 2004 Audi A6 is a moderately difficult vehicle to maintain but shouldn’t be too hard for those experienced in vehicle maintenance. You will have to take the entire fog light housing out of the vehicle for access to the fog light. Changing the front wiper blade will require a tool. Other models will not require the use of tools. To change the front turn signal with reliability you will need to remove a bolt first. The tools necessary may not be readily available for a repair.
Some things are easier on the 2004 Audi A6. The engine coolant reservoir is easily visible in the engine bay. This will make it easy to check and replenish the fluid level on a regular basis. The components of the spare tire are easily accessible in the rear of the vehicle. This keeps the tire and jack kit ready to go in case of emergency. Checking the oil level is easy to do, as the dipstick is easily accessible in the engine bay.
Hans Angermeier has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road.