
The cabin air filter in an Audi A3 is located inside the glove compartment on the passenger side. The replacement method is as follows: 1. Open the passenger-side storage compartment and release the cover clips. 2. Pull out the old cabin air filter and install the new one. Below is some relevant information: Taking the 2021 Audi A3 as an example, its body dimensions are: length 4351mm, width 1815mm, height 1458mm, with a wheelbase of 2630mm and a fuel tank capacity of 51 liters. The 2021 Audi A3 is equipped with a 1.4T turbocharged engine, delivering a maximum power of 110kW and a maximum torque of 250Nm, paired with a 7-speed dual-clutch transmission.

In my years of driving the Audi A3, the cabin air filter is typically located behind the glove compartment on the passenger side. To access it, you'll need to open the glove box first, where there's usually a cover or clips. A gentle push or removing a few screws will reveal the filter. I've replaced it several times myself – it's quite straightforward, requiring just a Phillips screwdriver.
A dirty filter can significantly impact in-cabin air quality, especially during spring when pollen levels are high, often causing nasal discomfort. I recommend checking it every 10,000-20,000 kilometers, or replacing it whenever you notice reduced airflow from the AC. Don't wait until the filter is completely clogged with dust – this forces the AC compressor to work harder, potentially shortening its lifespan.
Maintaining a clean filter not only enhances comfort but also saves on repair costs. For owners with basic mechanical skills, this is a perfect DIY maintenance task.

When I first learned to replace the air conditioning filter on my Audi A3, I discovered it's located inside the glove compartment in front of the passenger seat. You open the glove box, reach inside, and there's a plastic panel blocking the way. Apply some pressure to push it in or use a tool to pry it open, and you'll see the filter slot. The whole process isn't complicated. I was a bit nervous the first time, but after trying once, I got the hang of it. All you need is a screwdriver to remove the clips. If the filter is too old, the airflow can develop a musty smell. Last time, I delayed replacing it and ended up with some allergies, but after changing it on schedule, everything was fine. I recommend new car owners watch a YouTube tutorial first before attempting it, and avoid pulling too hard to prevent damaging any parts. Once you make it a habit, the air inside the car becomes much fresher while driving, and the AC efficiency improves too. It's a practical little life skill.

The air conditioning filter of the Audi A3 is generally located behind the glove compartment on the passenger side, and accessing it requires removing several fasteners. A clogged filter can reduce air conditioning performance and may also pollute the cabin air, posing health risks. Timely replacement can save both trouble and money. As someone who drives frequently, paying attention to this detail ensures a more worry-free driving experience.


