Vehicle undrivable after fixed.

My kia2700 was invovolved in accident January 2025 and i didnt have courtesy car policy. The claim was approved 18.02.2025 for R156 369.33 under Summit autobody (Limpopop Louis trichardt) was done late September 2025. On collection the idling was very high and lot of smoke was coming from exhaust when i ask they said they only work on body parts irregardless what happened during the accident they are only told or authorised for body parts only. I then hired a trailer as i was going to Pretoria. The following day I asked Auto & General insurance to come and fetch it from my place as the vehicle has no power at all the accelerator was very weak they only come around November by that time i had courtesy car policy (was active from august after receiving a call that the car will be ready next month) but they refuse to give me and only bring back my car January 2026 with no changes even up to date the vehicle is undrivable and i have been paying insurance for the whole year without a car and still paying up to date.