Cele Autos sales are ********.

I have payed a R15000 deposit on the 23 September 2021 of which is last week but I haven't received the car I called them to cancel and claim my money back that where they blocked me in everywhere possible now I want to warn other people of Cele Autos who claimed to be car dealers that they are ********. Any help that I can get to get my money back it's welcome.