Ford's 3-yr/36k warranty covers buttons peeling ... they have to replace the buttons, they don't repaint them ...
Also, if you have a Ford extended warranty, it needs to be PremiumCare to cover radios, if the radio buttons are peeling. Might be the same for steering wheel buttons.
'13 Mustang GT SterlingGray, 6-spd man, Recaros, Track Pack. Ordered 6.6.12, born 7.25.12, mine 8.11.12. 2.3L Whipple & a few other things. 591 RWHP, 505 RWTQ