We got it back, spent $900 in repairs and only half of the errors are fixed.

The battery got replaced, and it cost $310 with my dad unknowingly accepting it when it would've been half the price if we bought one and installed on our own. Then the half shaft boot (?) or similar got replaced, something we couldn't do, and cost another $600 along with recalibrating the steering angle sensor for our ABS, DSC and Brake error message. The mirror issue would need the replacement of some big control module, which my dad decided not to have replaced.

All in all, we spent around $900 in out-of-warranty repairs, but also had soome in-warranty repairs. I'm still not happy about the mirrors, as I have OCD on everything not working perfectly, but it isn't my car nor money.