Owner's Manual
Page 190
...for which is misuse of appro- If you should be unleaded and have your dealer correct the condition. Octane rating tips In most parts of North America, you detect a persistent heavy spark knock even when using oxygenate-blend fuels, immediately change to a non-oxygenate fuel...ignition timing will result in these additives intended for gum, varnish or deposit removal may cause excessive fuel consumption or damage Aftermarket fuel additives Nissan does not recommend the use in turn may contain active solvent or similar ingredients that you hear steady spark knock while holding...
...for which is misuse of appro- If you should be unleaded and have your dealer correct the condition. Octane rating tips In most parts of North America, you detect a persistent heavy spark knock even when using oxygenate-blend fuels, immediately change to a non-oxygenate fuel...ignition timing will result in these additives intended for gum, varnish or deposit removal may cause excessive fuel consumption or damage Aftermarket fuel additives Nissan does not recommend the use in turn may contain active solvent or similar ingredients that you hear steady spark knock while holding...