2013 Nissan cube Owner's Manual - Page 278

SPARK PLUGS GUID-46E8ACCB-5EC1-4F2C-92B0-5F601C4995E6 in poor condition or loose, have it replaced or adjusted by a NISSAN dealer. 2. Have the belt condition checked regularly. WARNING Be sure the engine and ignition switch are off and that the parking brake is engaged securely. CAUTION Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs. SDI2020 REPLACINGGUID-EA884B1F-B15D-4F28-86D5-A84E0198FF6B SPARK PLUGS If replacement is required, see a NISSAN dealer for servicing. Iridium-tipped spark plugs GUID-BE0A3142-FE84-4367-9878-8F75CFFD3273 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. 8-16 Maintenance and do-it-yourself