
The door drain holes are located at the bottom of the doors; the fuel tank cap drain hole is situated below the fuel tank cap; the sunroof drain holes are distributed at the four corners of the sunroof. Additional information about the Passat is as follows: 1. Origin: The Passat is the name of this B-segment car in the European market. In North America, the Passat was initially called the Dasher (literally translated as 'strong man,' meaning 'impact maker'). The second-generation Passat was renamed Quantum/Santana. The subsequent third, fourth, and fifth-generation models were all named 'Passat,' with only the suffix numbers adjusted to indicate their identity. 2. Design: In terms of appearance, the new-generation Passat adopts Volkswagen's latest design philosophy—'flowing rhythm.' The light-themed front face design is complemented by a flowing chrome trim, with Volkswagen's signature grille further evolved. The dot-matrix horizontal grille, dual-L rotary full-LED lens headlights, and a more robust engine hood together form the new front face.

I just bought a 2017 Passat and researched the locations of its drainage holes, which are primarily in several key areas to prevent water accumulation. There is a small hole at each corner of the sunroof, serving as outlets for the roof drainage system—rainwater flows through these holes to the underside of the car. The bottom of each door also features drainage holes, designed with small slits or holes to drain accumulated rainwater or car wash water. If these holes get clogged, water can backflow into the car, soaking the carpets or causing rust, which would be a real hassle. Regular cleaning is crucial. I often use a soft brush or compressed air to clear the holes, preventing leaves and dirt buildup. If you can't locate them, crouch down and check the bottom of the doors—you'll spot those hidden small holes easily. It's a simple DIY task. Remember to check before the rainy season to keep your car dry and tidy.

Having repaired cars for many years, I'm very familiar with the drainage hole design of the 2017 Passat. The sunroof drainage holes are located at the four corners of the roof edge, connected to hoses that channel water underneath the vehicle. The door drainage holes are positioned along the lower edge of each door, some being small round holes and others tiny slits, designed to drain accumulated water inside. If these holes get clogged, water can seep into the car, damaging audio systems or control panels, and increasing repair costs. I recommend cleaning them every quarter by gently poking with a wire or rinsing with a soft hose, avoiding any hard objects that might cause scratches. When driving this car, I pay special attention to maintaining the drainage system to prolong its overall lifespan, especially in rainy regions—this is a practical little tip.

After driving a 2017 Passat for several years, I've figured out the locations of its drainage holes—mainly the small openings at the corners of the sunroof and along the bottom edges of the doors, which are responsible for draining rainwater. Over time, these holes can easily get clogged with mud, leading to water leakage or rust issues. I make it a habit to check them after every car wash, using a small tool to gently clear any blockages and keep them flowing freely. Regular like this helps prevent major problems, and developing this habit makes the car more durable—never overlook it.

As a young car owner, I noticed that the drainage holes on my 2017 Passat are located at the bottom of the doors and the edges of the sunroof. These small holes are easily overlooked. If clogged, they may cause the AC to emit odors or lead to interior corrosion. I downloaded a app to set reminders for cleaning. Every few months, I check these holes with simple steps: using a toothbrush to clean the door holes and a vacuum cleaner to blow out the sunroof holes. Don't forget to regularly inspect the drainage ports around the tires to ensure overall vehicle health. Developing good habits can save you from major repairs later on.

Daily driving and noticing moisture or odors inside the car? The drainage holes in my 2017 Passat are key. They are located under the doors and near the sunroof, responsible for draining rainwater and car wash water. Cleaning is simple: lie down beside the car to find the small holes under the doors and use a fine needle to clear them. For the sunroof holes, wipe them clean with a soft cloth. If these holes get clogged, it can easily lead to mold or corrosion of the car frame. I make it a habit to check them monthly to keep the interior dry and fresh. It's easy and safe to do during regular .


