Brake Loud Noise problems of the 2014 Cadillac CTS

My car is a 2014 Cts vsport. I have owned the vehicle since August of 2017, and it had 42,563 miles when I purchased the vehicle. I have had �tire issues� with the car since day 1. The 1st week I owned the vehicle, the tires had to be replaced, although they had just been replaced prior to my purchase, the car was making very loud noise while driving and it was determined they had �uneven wear. � along with this, the �rear axle system off� light would occasionally come on. Nothing the dealer could find with it and it always seemed the light would turn off when it was at dealership. Now 2 additional sets of tires, and the �rear axle system off� light not turning off, I was told rear axle �pieces� need to be replaced to include the rear axle pins and pump, costing 2700. 00. Along with this repair the car will need to have tires realigned due to uneven wear and rear brakes. The dealer stated they cannot replace the rear axle under the recall because the recall is �incomplete with no solution. � in addition, they told me my car is unsafe to drive due to risk of the rear tires locking up while driving the vehicle.