Car damaged

My Name is Ntsebeng I went to shell garage on the 7th if January to pour petrol and I asked the petrol attended to check water and oil for me,he poured water into the oil container I was told that the guy is still new, I showed the manager and the supervisor of shell garage in soweto cross road the warning lights in the car the engine and the other lights where on, they asked this other guy to help them he cleaned the engine and the oil container and they told me if those lights are still on the next day I must bring it back which I did, the owner of the garage Joe his number *** his email [Email Removed] promised to fix it for me he took it to ford Roodeport till now, I'm getting calls from Ford Roodeport *** that I owe them money for storage and they are giving me 48 hours to fetch my car I didn't take it there Joe did the owner of shell garage and I did not cost the damage to the car I have been sending SMS, emails Joe he's not responding.. I need your help HelloPeter Team please I'm using the car to work and self employed I told Joe about my situation how vital the car is in my life..please help me