Owner's Manual
Page 416
... with an octane rating lower than recommended above symptoms are sold commercially. If any aftermarket fuel additives (Example: fuel injector cleaner, octane booster, intake valve deposit removers, etc.) which INFINITI is not responsible. Do not use of any of the above can lead to ...this can cause persistent, heavy spark knock. (Spark knock is light spark knock for a short time while accelerating or driving up hills. Aftermarket fuel additives INFINITI does not recommend the use E-85 fuel in a Flexible Fuel Vehicle (FFV). If you hear steady spark knock while holding a steady...
... with an octane rating lower than recommended above symptoms are sold commercially. If any aftermarket fuel additives (Example: fuel injector cleaner, octane booster, intake valve deposit removers, etc.) which INFINITI is not responsible. Do not use of any of the above can lead to ...this can cause persistent, heavy spark knock. (Spark knock is light spark knock for a short time while accelerating or driving up hills. Aftermarket fuel additives INFINITI does not recommend the use E-85 fuel in a Flexible Fuel Vehicle (FFV). If you hear steady spark knock while holding a steady...