My next guess is that he wants to get rid of the car because it isn't what he expected...
If I would love a car, I would do everything possible to get a problem fixed. Just my humble opinion...
Remember the long thread(s) about what car to get? I kind of get the feeling that this just wasn't the right car.
Maybe I am wrong but if the dealer sucks in solving a problem, take it a level higher. That simple.
Another possibility (PLEASE do not get this wrong): There is nothing wrong with the car. The boss of a family friend once got a 911 Carrera S (997) a couple of years ago, he had driven a Mercedes SL before. After a couple of months he started complaining that the car "rattles" and that something is wrong. I drove with his car and it felt like any other 997 with sport chassis (he had bought it slightly used from the dealer lot) but apparently he wanted something more comfortable, without the "rattling" and "shaking" and other "nasty" noises (I always listened to the gorgeous sport exhaust...). I know I am reaching here and I do not want to offend anybody but this could be a possibility. Or maybe the 991 is just too boring (heard that one too from somebody who switched from a 997), too refined, this can be a problem to some too.
If there is a problem with the steering, PLEASE contact Porsche directly and forget about the dealer. If you like the car, it is worth giving it a shot. If you return it to the dealer, you will very likely loose a lot of money, unless he is willing to give you another 991 for a very good price.
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RC (Germany) - Rennteam Editor Porsche 991 Turbo S (Sept. 2013), Cayenne GTS (958), BMW X3 35d (2013)