JUst had the dash warning as well, opened up the FOB and pulled out a CR2032 Novacell complete with Japanese writing on it. Put in an Energizer 2032 and all works fine.
2013 X (JDM)
Im running these on my JDM leaf http://www.rs-r.com/product/nissan-juke-2wd-sports-i-coilovers-2010/ No issues, corners like its on rails. No rubbing at all.
Also running these wheels http://www.rayswheels.co.jp/products/wheel.php?lang=en&wheel=S7 not sure of weight as haven't weighed them or...