Owner's Manual
Page 344
...you get the greatest fuel benefit when there is light spark knock for a short time while accelerating or driving up hills. If any aftermarket fuel additives (for that can damage fuel system components and is a mixture of these additives intended for E-85 fuel can be used in... your vehicle checked at a NISSAN dealer. Aftermarket fuel additives NISSAN does not recommend the use E-85 in a Flexible Fuel Vehicle (FFV). However, now and then you hear steady spark knock while ...
...you get the greatest fuel benefit when there is light spark knock for a short time while accelerating or driving up hills. If any aftermarket fuel additives (for that can damage fuel system components and is a mixture of these additives intended for E-85 fuel can be used in... your vehicle checked at a NISSAN dealer. Aftermarket fuel additives NISSAN does not recommend the use E-85 in a Flexible Fuel Vehicle (FFV). However, now and then you hear steady spark knock while ...