2019 CADILLAC XT4 Electrical System Problems

My water pump failed do to a cover that fell off during driving on a rainy day and water got inside the chip board and fried my water pump and car engine reduced speed all suddenly almost got hit on the back by another vehicle do to speed reduced and stalled do to engine overheating

In September, my vehicle would not start. I had it boosted and it started right up. The very same afternoon , it would not start and had it boosted. Drove it for 2 days without issue and on day 3 it would not start and boosting was unsuccessful. The vehicle could not be put in neutral and needed to be towed. The car spent several weeks at the dealer and I was told it was the battery which I replaced the key FOBS needed to be reprogrammed and then the wiring harness was chewed up. After several weeks at the show and over $1,000 later the car was returned. A month or so later , the car wouldn’t start, could not get boosted and had to be towed back to the dealership. After 2.5 weeks , I was told it was corrosion on the wiring harness. I’m concerned that these...