I'm glad to report that after appearing just once the Battery Management Warning hasn't reappeared. Maybe it was just a glitch. If it appears again then I'll take a pic and upload it. Thanks for your responses

Welcome to this forum. That's the first report of that J12 fault - and no one's found a link for a downloadable copy of the driver's manual yet so us non-J12 owners are a bit in the dark. How are you finding the car otherwise? I had a 2018 Qashqai before this one. Apart from that one issue (which h...

I had a warning message come up yesterday that says "Battery Management fault - contact dealer. The next day it wasn't there,does anyone have a clue what this message means as there's nothing in the handbook that covers it. J12 Mild Hybrid