What's this secret feature in my car?

Hello, I'm Jisan Jeon Jang-young
I have been working hard and improving my skills as a car mechanic for 36 years.
Car maintenance content delivers the right wisdom and knowledge to drivers.
I'm achieving my dream of becoming a UA-cam creator.
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Thank you very much.
📌 Jisan Car Center channel: bitly.kr/jZJkZo
📌 Jisan Car Center: [e-mail]
It would be very useful if drivers in other neighborhoods knew about this.
If you don't know, you'll learn, and you'll learn.
#CarFunction #CarSecretFunction #SmartKey #CarStart #CarDriving