See also:

Air conditioner system (if so equipped) refrigerant and oil recommendations
The air conditioner system in your NISSAN vehicle must be charged with the refrigerant HFC-134a (R-134a) and the oil, NISSAN A/C system oil Type S or the exact equivalents. The use of any o ...

Loading tips
- The GVW must not exceed GVWR or GAWR as specified on the F.M.V.S.S./ C.M.V.S.S. certification label. - Do not load the front and rear axle to the GAWR. Doing so will exceed the GVWR. - ...

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 ther ...