Bought a Certified 2015 TLX Tech Package with around 32k on it. Now I have ~42k and I took it because of some road noise that got pretty loud at highway speeds. They told me the tires were making the noise due to some "cupping". They're the original Goodyear Eagle LS2 tires. They appear to still have some tread left but are very noisy.
What they have recommended are:
Trying to get an idea from other owners what they feel would be the best tire for the quiet ride I expect from this vehicle.