Residual exchange

Hello together last week a car driver, fully caught me. My car is now total damage (the opponent has 100% blame ). The car was put into a residual value exchange but did not sign for it. On Wednesday I got the report. According to the report, the car has a damage of 8300.-€ replacement value but is at 3,050.-€ and the residual value of the vehicle 880.-€. How does this go on now. Have no idea of the matter. Does the car still belong to me? Can I Is that how it works (please improve me if what is wrong) I was told that a €880 on the car offered. That would now be deducted from the replacement value, so I would have to get 2170 from the insurance company. At the same time, I was also told that I could sell the vehicle for a higher amount. Is that true, does the car still belong to me now, or do I have to leave it now for €880 to the person who bought it? I assume that I could sell the car for 1500.-€, then 1500.-€ will be deducted from the insurance, or only 880.-€? That’s all too high for me. Maybe someone can enlighten me here. Is everything a bit complicated. LG Marien