
Jetta's cabin air filter is located on the passenger side, beneath the glove compartment near the center console. You can see it by looking upward from the floor. There are three clips in total—gently pry them outward to open and access the air filter inside. Here are some recommendations for using your car's air conditioning system: 1. It is advisable not to turn on the heating function immediately when warming up the car in the morning. Wait until the engine coolant temperature rises before activating the air conditioning, and avoid setting the temperature too high, as prolonged driving under such conditions may cause drowsiness. 2. If the airflow from the vents is weak, check whether the cabin air filter is dirty. After extended use of the recirculation mode, it is recommended to switch to fresh air mode or open the windows for ventilation. 3. After using the air conditioning for cooling, avoid turning it off immediately. Instead, set the blower to maximum speed to dry out any moisture in the air conditioning ducts, which can also prevent bacterial growth on the cabin air filter.

I just helped a friend replace the Jetta's cabin air filter a couple of days ago. It's located behind the glove compartment on the passenger side. First, you need to open the glove box and press the clips on both sides inward to fully lower it. Then, you'll see a rectangular plastic cover. Use a bit of finesse to unclip the cover, and the cabin air filter is right inside. I recommend replacing it every six months, especially during spring in northern areas when poplar catkins are everywhere. Last time I opened it, the filter was completely covered in fluff. These filters cost just over 20 yuan online, half the price of dealerships. It's super easy to do it yourself—the whole process takes about ten minutes.

Last time I went to the repair shop and asked the mechanic, the Jetta's cabin air filter is hidden behind the glove box. After opening the passenger side glove box, first clear out any clutter inside, then pinch both sides of the glove box and push inward to let the entire glove box drop down. At this point, you'll see a long cover with clips. Remove the cover to reveal the filter itself. Remember to check the arrow direction on the filter when replacing to avoid installing it backward. The OEM filter has an activated carbon layer to eliminate odors. I make it a habit to replace the filter before the rainy season, otherwise, the AC always seems to have a musty smell, especially in humid southern regions where extra attention is needed.

Changing the Jetta's cabin air filter by yourself is super easy, located behind the glove box on the passenger side. Steps: Open the glove box and firmly push upward on both side limiters to let the glove box fully drop down. This will reveal a black plastic cover—press the clips to remove it and you'll see the white corrugated cabin air filter. When buying online, opt for a PM2.5-filtering model matching your car's year and size. I check mine every 5,000 km and replace it if it turns black, since it directly affects breathing health.


