Aftermarket Cadillac Srx replacement keys: 21 in-stock listings for model years 2007–2016, including key fobs, transponder keys, from $17.20. Common FCC IDs: NBG009768T, HYQ2AB. Match the FCC ID and part number on your current key, or use our free VIN lookup. Keys are not OEM and most need cutting or programming; eligible items can be returned within 90 days.