Poor customer service

My vehicle was purchased last year at the reputable dealership LE ROUX MOTORS (GM MOTORS) which does not keep promises and have mislead me into purchasing a vehicle with a maintenance / service plan.The Sales man informed me at 60 000 km i should take my vehicle in for a service to be done.I was not informed that the service plan expires in less than a month later. NB -I ***0 KM Less than a month i should do roughly 30 0000 km.IM NOT A FREAKIN SALES REP. Few months later my car is at 60 000km and i went to Hyundai Stryjdom Park .I was advised that my service plan had expired and i was to contact Hyundai customer services and then was told by the manager i should contact Liquid capital.no response from them so i contacted the dealership that sold me the vehicle.After a long deliberation they agreed to do the service.While the vehicle was in for the service, I was told that the brakes needed to be replaced and that there was no maintenance in place, in order for them to replace the brakes it would cost me R 1700.00. Upon contacting the original dealer, I was told that there was never a maintenance plan in place. A day later NO CAR and NO PAYMENT for service done still!!!