Bad and unfair treatment

I have a policy with auto & general. On 12/07/2020 I was involved in an accident. On the 14/07/2020 I took a car hire which was arranged by my insurer. Is on my policy is not a charity. I took it because when my vehicle is in this situation I can able to have something to travel. My vehicle took over a week at the tower (breakdown) place instead to be on their Pannelbeater. On the 23/07/2020 my insurer gave authorization to the Pannelbeater. I am still mobile until yesterday when the renter contacted me to return the rental vehicle. It came as a shock to me because my vehicle is still with the Pannelbeater and nothing been done on it. I expected them when they gave me a rental for 30 days they will be finishing my car by now. I am worried because they have my car and they want me to return theirs which I feel betrayed. They suppose to extend the rental because is their fault my vehicle is not finished now they want me to suffer worse at this time of pandemic. I can’t stay without a vehicle because I am paying. I have questions I asked myself am I came to the wrong insurer or what? I did not choose them because they are cheap I choose them because my family member recommended them and I was stupid to recommend them to my friends because they will experience what I experience now.