Debit order wrongly deducted

This is the worst financing compony ever they deducted my money after I have settled my account since I traded in my car I am being financed by another bank now which I am glad I did all this changes. You cannot get hold of this people no one is answering their phones. meaning that my kids will leave in hunger this month because of their stupid admin. I have never been so ****ed. POEPLE PLEASE DO NOT SIGN WITH THIS BANK DO NOOOT I