Worst service ever. My vechile had an appointment...

Worst service ever. My vechile had an appointment on a Friday at 8:40 am for a diagnostic. Friday at around 4:40 PM we finally get a call, they couldn't get to it asking to keep it till Monday. We asked why not Saturday they the agreed to look at it then. We heard nothing. Monday came and after many calls they need another day. Tuesday comes they have to call on the mopar man. And now it will be $200 more to diagnose. Mopar man says its PCM part is ordered should be finished Friday. Friday comes and part never got ordered. Monday we hear , Tuesday it should be done. Tuesday comes and the parts were never gotten there is a hold on it from manufacturer until Feb 28 2019. In shock is not even describing the way I felt.Wed I call an talk to service manager. After all I was told 3 time my car would be back to me and wasn't. Friday I get a call they some how gog this PCM in and are working on it now and will be done Saturday. Saturday afternoon I go in and they havnt even started it yet. I say I need a rental and ask if I'll need anything when picking it up. The service manager says no and tells me just come in Monday and he'll get me all set up. Well now its Monday I'm at Enterprise and they won't rent me a car because I dont have a credit card on me. So now stranded at enterprise of course no one picks up at dealrship.