No power, no lights, can't even open doors without a key. Battery replacement fall 2020

Long story short, my car needed a jump and the person who did it had the red on blk and the blk on red. When I tried to start the car I heard a pop and smoke came from the radio console. Didn’t say anything to the person. I looked at the 125A fuse was blown, I replaced the fuse & alternator (forgot why I did the alternator) & even the battery since it was 5 years old. Car ran fine for 2 weeks then one day mid-drive my radio was turning on/off sporadically; then when I used the turn signals they began to click rapidly. After a few mins the car turned off completely and wouldn’t start… Read complete

2005 gls 1.6 auto. When at operating temperature, vehicle slips going into overdrive and gets stuck in 4th gear. Have replaced all recommended sensors input/output transmission speed, vehicle speed, tranny fluid is full and not too bad, thinking of draining and switching out fluid since not knowing what the previous owners used for transmission fluid and read a lot about non- hyundai fluid causing the same issue. At a loss honestly, check engine light will stay off after battery disconnect UNTIL it does its lurch when downshifting from OD to 4th to accelerate. When it shifts rough, it won't go… Read complete