Unfair treatment

I lost my job 2020/ 06 and kept made a retrenchment request which I was paying for and the bank refused to pay for whatever reason, in my statement they are still deducting that even though the insurance even though they could not assist with my retrenchment. I continued paying vehicle with my savings until December, I called and made arrangements to pay whatever I can which I do, but today I get a call from a lawyer to come and pick up my vehicle that I paid for the past 4 years, what about all this years I have been paying without skipping a month, what about the fact that the vehicle is only left with 50 grand from 250 000, the banks treat us very very unfairly I must say. So going forward one should just not buy a vehicle with a bank at all including their stuff that has attitude when they talk to you. I am extremely disappointed 😞😔