That depends on the scan tool software.I have an OBD cable and scan tool software on my laptop. I wonder if there is a way to use that to program keys and key fobs. I have searched Google and cannot find any information on how this programming works for 2013-2014 Impalas. I wonder how the dealers have kept it so secret for so long ... they sure charge ripoff prices for fobs and programming. Is there anybody who actually knows how it works?