Vehicle Does Not Go To Gas

I also get the warning sound when gasoline is low. I put gas in the car but there is a problem because there is not enough gasoline or because the car does not switch to gas, so I do not understand whether it gives warning sounds.

The water that got into the LPG brain opened the brain, washed it with thinner and dried it with air, but it did not recover immediately, but after 10 minutes, it returned to normal.

I guess the water was dripping on the hydraulics next to the brain in the form of drops, I guessed through the plastic of the windshield, I tried to pour water into the windshield. So I had to spend there to prevent water