sounds like something electrical if you ask me. Tell them to replace the traction control switch because if the brakes do help control the traction while traction control on like it does my toyota tundra, it will adversely wear down and affect your brake pads. If it has been in more than 3 times in the past 1 year new of owning for same issue and they haven't resolved it, don't threaten them with lemon law, insist it is a lemon and have dealer buy back your vehicle for what you paid for it since it is almost brand new. This is the law in WI. In to hyundai dealer shop for more than 3 same issue for attempts at repair in first year of owning, no problems getting lemon law done. Don't settle for less than what you paid for it since under 1 year of owning new and under 5K miles. You shouldn't have to live with this crap and keep on the dealer every week, do not let up one bit. Be nice, but firm and blunt but not yelling, at least not yet unless they get in your face being nasty first. Then, it is game on!!! Good luck.