Atrocious Customer Service

I am currently receiving atrocious service from the Hyundai Service team in Milnerton Cape Town. I have a 2012 Elantra that I noticed 5 weeks ago was leaking oil from the passenger front side. I called immediately and was so grateful by service rep Maritza for getting my car in the very next day to check it out. I was told it is the shock absorber leaking oil and it is covered by the warranty. I needed to wait 3 to 7 days for part from Joburg...I thought reasonable. I waited 2 weeks and no update...when I enquired nobody could tell me why the delay, but manager eventually called back to say part needed to come from Korea and it would take up to 21 days. Now, a month later from first check, I was SMS'd yesterday to say part arrived but they can only book car in a week from now after waiting this long. The service rep Chad could not assist further as I said that Thursday 4th Feb I go back to work after leave. I requested for manager to call and Chad said he would get Service Manager to call and as up till now I have received no call...almost 24 hours later. Delaying tactics that I must wait another week? Except for Maritza, I do not receive the service promised or deserved.