Try tightening the dash beam grounds and see if it corrects the problem. I have seen this on a Murano before where the radio would not shut off.
Open the door and on the vehicle side of the door jamb remove the 3 plastic cabs and using a ratchet just snug up the bolts. Don't over tighten them just make sure they are snug turning them 90 degrees or so.
Thanks for your response. However I am an old age pensioner and not able to do what you have suggested. I will ask my son in law if what you have said makes any sense to him! Thanks for your time. Hopefully the whole thing will be replaced soon.
Your welcome, let me know if you or your son in law need more assistance.