you have trapped the cable its impossible to trap the cable. if i remember corrwectly there is no easty way to open it up but you may want to talk to your snap on dealer and purchase and car break in kit for locked in keys will cost you around £70 but it has a vital part in to put pressure on the under side of your bonnet to allow for extraction of the three screws of the bonnet catch if you have any issues get back to me ill send diagrams
james
June 2012