Updated Aug 1, 2026 · v3.56.0
Just park your car and you're done! Sejinsa, a contactless mobile car wash service booked via app. Now, receive a basic inspection report with every car wash.
Sejinsa is a specialized mobile car wash and light maintenance app created by "people who are serious about car washing." We have washed a cumulative total of 50,000 cars to date. Experience contactless mobile car washing booked via the app, comfortably from the comfort of your home 😊 ① Book a car wash via the app ② Enter your parking location and you're done! ③ Provide a detailed report including exterior and tire inspections after the contactless wash Wherever you are, book and Sejinsa will come to you 🚙 ■ Why Sejinsa is Special 1. The most convenient car wash at your home Just park in your home parking lot and the wash is done. No need to go to a car wash yourself; the Sejinsa car wash crew will meticulously wash the interior and exterior right at your parking location. 2. From interior cleaning to various additional services You can conveniently book services at reasonable prices through the app, ranging from interior cleaning (which is difficult with machine washes), water-repellent coating, tar removal, and interior fogging disinfection, to additional services like interior cleaning and partial polishing. 3. Scratch-Free Contactless Safe Car Wash A dedicated crew managed directly by Sejinsa will visit your location to safely and meticulously wash your vehicle contactless. Since the wash is performed using a rinse-less method, there is no risk of water splashing in the parking lot. If you are not satisfied with the quality of the wash, the headquarters takes full responsibility for after-sales service. 4. More Convenient with a Subscription Tailored to Your Washing Habits We recommend the perfect subscription service based on the washing habits you entered upon sign-up. Manage your car more conveniently with automatic reservations and take advantage of discounts based on your wash cycle. 5. Book Anywhere, Day or Night Services are currently available throughout Seoul and major areas of Gyeonggi and Incheon. Nighttime car washes and same-day reservations are available, and our service areas are continuously expanding. Please refer to our website (https://sejinsa.co.kr/region) for more details. We plan to sequentially open services in unserved areas upon request within the app. 6. From Wash to Maintenance with the Sejinsa Car Wash Report Sejinsa will personally check your vehicle's condition for you. Check everything from the car wash to your vehicle's condition all at once with the Sejinsa Car Wash Report. We not only wash the car but also thoroughly inspect the exterior surfaces and tires, delivering photos and detailed information in a report. 7. Recommendations from Professional Advisors Based on the exterior surface and tire inspection results from the issued Car Wash Report, a professional advisor will recommend the maintenance your car needs right now at a reasonable price. You can receive maintenance right at the parking lot, just like a car wash. After the car wash, we deliver a report containing the wash results as well as the exterior surface and tire inspection details. Manage your precious car smartly. ■ Inquiries - Website: https://sejinsa.co.kr - Reservation Inquiries: Chat consultation within the Sejinsa App (General consultations: Weekdays 11:00 AM - 4:00 PM; Same-day night car wash consultations: 7:00 PM - 1:00 AM) ■ App Access Permissions These permissions are required to use Sejinsa more conveniently. [Essential Access Permissions] Device and App History: Used to check app versions and improve usability. [Optional Access Permissions] - Storage: Image storage - Phone: Chat consultations and calls with the Customer Center and crew - You can use the service even if you do not allow optional permissions, but there may be restrictions on the use of some services.
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