Car service rivonia/car service Sunninghill

ITOOK MY CAR FOR A SERVICE AT CAR SERVICE CITY RIVONIA VILLAGE THEY ****MED ME MY CAR IS BEEN THERE FOR MORE THAN 2 MONTHS BUT IM ALREADY PAID .. NOW IM TRYING TO ESCALATE THE MATTER FROM THIER HEAD OFFICE WICH IS SUNNINGHILL THERE'S THIS LADY CALLED LERATO MAAKE SHE GAVE A STINK ATTITUDE.. WHILE IM TRYING TO EXPLAIN MY PROBLEM THEY SAID I MUST TAKE MY CAR AS IT IS..REMEMBER BEFORE I TOOK MY CAR WAS RUNNING..THEY SAID I MUST CUM ND GET MY CAR WHILE IS NOT RUNNING BUT IDID PAY THEM ...SO THEY REFUSING TO REFUND INEED HELP GUYS