LOL,Same thing happen to me over 10 years ago,was cleaning the front windshield and hit the mirror with my hand and broke it,this was before the internet was around,got a new one from the dealer and it was costly,got a new mirror and the parts that go with it Seen some on Ebay a while back,a lot cheaper than what I paid.My wife bought me a real big mirror that goes over my mirror,she got it from QVC.
I just got the glass mount one from a '90s Monte Carlo. Has day/night and two courtesy/map reading lights along the bottom with switches. Cost me $5 for the crazy-glue to fix it to the glass and had to fish the wire from the interior lamp. I know it's not original or Nissan but it' is an improvement. Maybe Nissan has one in a later car?? I don't have a lot of wrecking yards near me.