Just change the oil and refill the coolant and it will run fine.

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It's been quite a while since the last oil change, so
I changed the oil.
At the same time, when I checked the coolant level, it was far below Lower.
I will also add this.
It's a light car with a mileage of 190,000 km soon.
Let's keep working!
I used cheap mineral oil for the oil, but the price has also gone up, so
I plan to change to a different one at my next oil change.
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