See also:

Engine serial number
The number is stamped on the engine as shown. ...

Maximum Gross Vehicle Weight (GVW)/Maximum Gross Axle Weight (GAW)
The GVW of the towing vehicle must not exceed the Gross Vehicle Weight Rating (GVWR) shown on the F.M.V.S.S./C.M.V.S.S. certification label. The GVW equals the combined weight of the unloade ...

If the moonroof does not close
Have your NISSAN dealer check and repair the moonroof. ...