NISSAN 2010 Z Coupe - Manual (Page 344)

Black plate (346,1)
Model "Z34-D" EDITED: 2009/ 9/ 10
improper servicing may result in operating
difficulties or excessive emissions, and could
affect your warranty coverage. If in doubt
about any servicing, we recommend that
it be done by a NISSAN dealer.
8-6 Maintenance and do-it-yourself