Had problems with one of my keys,tried to get into programming mode,could not,all I achieved was to unpair faulty existing remote,as nissan charge the same for 1 or 4 fobs ordered 2.Took car in today,new fobs were fitted to orriginal keys,now have 2 keys and 2 fobs all working perfectly, £162,hence getting extra fobs,free valet afterwards which was a nice surprise, Wessex Nissan Patchway