If your interest on your auto loan is lower than you can earn by investing, then it is net beneficial to not pay off your loan early. For instance if you could make minimum payments, then put the additional money you would have spent into an index fund, you would likely come out ahead over time.
I’m not an expert but I don’t think you would want to intentionally reverse polarity of the battery. I think other commenter was suggesting you may have accidentally done so, and thus opened a fuse that would now prevent starting the car.
Got new wheels and tires for my GTI, selling the old ones.
Wheels are in good shape except for a few blemishes shown in photos. Got them with my CPO, so not sure if all original miles or were replaced at some point but I took them off at 57k.
Tires are Yokohama S34NV and have 15k miles on...