Bad service after getting bad service

So after the Manager Mr Johan phoned me to tell me he is busy organizing a car for me to drive with since it is very unsafe for my family to drive in our vehicle , then not delivering as promises after then ignoring my phone calls (rejecting them and sending me a text I'll call you back, I finally got feedback for this very unprofessional company to inform me my part is now available to be installed. Took in my vehicle today to be fixed , wait for the best part, Mr Johan then told me " I should have been a man an confronted him personally as I never tried to contact him ( I have proof on my phone of 14 phone calls I tried making to him personally and he phoned me to organize me a car to drive with, then he told me " how can you be so useless as to let your child and wife drive in this bakkie, do you not want to make something of your life? This coming from a manager at Opel/Imperial GM Bloemfontein, I am speechless that after everything I have been through with this company the manager has the audacity to basically tell me that I can not afford a bigger bakkie or a better bakkie , not really sure how to go about that comment though? This after I bought the vehicle cash with a full service and maintenance plan. VERY DISGUSTED ! I am furious right now.