I have an intermittent problem with the ESL it doesn't always make the noise when putting the key in sometimes I have to try it 2 or 3 times and sometimes it works if I leave the key in then after about 5 seconds I get the noise,as I said its intermittent I have video'd it when it didn't work,its got an approved used warranty and is booked in with my local dealer in October to be looked at but sods law will say it will work fine with them,do you think they will take my video as evidence of it not working properly or do you think they will have to experience the fault themselves,i am assuming it will only get worse and fail completely at some point.