Worst Engen Manager Ever

I was at Vorna Valley Engen Garage to refuel for R80 today(13/04/1022 20:30), i was passing to my house so i just didn’t want to get stuck. I refueled and my car never reported any KM loaded. I then ask the attendant if we fueled , he gives me an attitude to say “ You poured 3litres what do you expect” . Being a victim of faulty calibration on pump and ***** at petrol stations, i got concerned. I told him i will drive around and see if the fault is on the car or what? Still my car couldn’t pick up the fuel. I went back and ask for superiors, the staff told me the person who assisted me is the supervisor. I then asked for the number for the manager. I stayed for about 20 minutes with ignition off to see if the problem is with the car or what. Meanwhile i called manager and he was not available, his name is Reyaaz Essat. I decide to drive home, from home i send him a WhatsApp voice note. He respond by saying “ How dare i say his staff is **********, its not his problem that my car is not reporting, the guy who helped me is good guy, i must just not come to his garage again, he is all about business, he cant believe i just disturbed his Fasting and Prayer for just useless 3litres.” At this point im shocked at how he is angry and unprofessional in handling this. Please intervene as this is bad reputation for the company which is a franchise which a code of conduct for all branches.