Nothing since I owned it.
But upon purchase, I had to fix the cd changer and cassette eject mechanism at a cost of $200 USD total (Outside dealership)
Soon will need to replace the Michelin pilot sports which are hefty!!
This is a car that satisfies. It pampers you in a comfy cocoon with almost every feature you need, and more... And when you command, it delivers, right then right there, with a purr.
Step on it, and the responsive transmission gears up to your desired state of mind, and it simultaneously bursts into motion, just like your heartbeat.
Warning! It is highly addictive!
There is considerable opinion on-line that Michelin Pilots are noisy and over priced for this car. Continental OEMs are not as pricey, but probably just as noisy.
I've seen several recommendations of Bridgestone Potenza Pole Position as being a quiet and sticky tire and it comes at 2/3 the price or so. Browse the forums at the Tire Rack and you'll see what I mean. One downside is that the Potenza does not seem to come in an all-season version. But if that isn't critical, it seems to be the tire of choice from experience.