2009 Nissan cube Owner's Manual - Page 266
2009 Nissan cube Manual
Page 266 highlights
AIR CLEANER flame if the engine backfires. If it is not there, and the engine backfires, you could be burned. Do not drive with the air cleaner removed, and be careful when working on the engine with the air cleaner removed. . Never pour fuel into the throttle body or attempt to start the engine with the air cleaner removed. Doing so could result in serious injury. SDI2020 SDI2106 1 To remove the air cleaner filter, push the tabs * 2 and pull the filter upward * . REPLACING SPARK PLUGS If replacement is required, see a NISSAN dealer for servicing. Iridium-tipped spark plugs It is not necessary to replace the iridium-tipped spark plugs as frequently as the conventional type spark plugs since they will last much longer. Follow the maintenance log shown in the "NISSAN Service and Maintenance Guide". Do not reuse the iridium-tipped spark plugs by cleaning or regapping. Always replace spark plugs with recommended or equivalent ones. The air cleaner filter should not be cleaned and reused. Replace it according to the maintenance shown in the "NISSAN Service and Maintenance Guide". When replacing the filter, wipe the inside of the air cleaner housing and the cover with a damp cloth. WARNING . Operating the engine with the air cleaner removed can cause you or others to be burned. The air cleaner not only cleans the air, it stops 8-16 Maintenance and do-it-yourself