Should still be under warranty if its a 2013. Sucks but it might be time to take it to the dealer. Often they will give you a free dealer rental to tool around in for warranty issues.
2000 Mustang GT Steeda build #48. Bolt ons, suspension, Novi 2000.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.