NISSAN 2015 JUKE - Owner's Manual - Manual (Page 359)

9-6 Technical and consumer information
encountered, have your vehicle checked at a
NISSAN dealer.
However, now and then you may notice
light spark knock for a short time while
accelerating or driving up hills. This is not a
cause for concern, because you get the
greatest fuel benefit when there is light
spark knock for a short time under heavy
engine load.
JVT0159X
For NISMO RS models
JVT0351X
Except for NISMO RS models