Style chooser

I hope there is no similar thread about his as Im already try to search for it.

Just after I let my friend refill my car's battery, i found out that he actually overfill with distilled water. Although its not full but its already over the sugesstion level (which is below the vent caps if Im not mistaken).

What is done is done, no point blaming him.
I just want to know what can be done to compensate the mistake. Can i use some old cloth to soak the water out?

And although i know...