The staff is polite. But I would have sent traffic cops there.A lot of drivers stop at the gas station under the "brick". And many drivers have this system.
The quality of diesel fuel leaves much to be desired, as in other things and throughout Belarus. After refueling, an error burned all the way, the car accelerated with difficulty, we drove with this error all over Belarus from Polotsk to Brest. When refueling with normal fuel, the error disappeared, but it was already in Russia