See also:

Advanced Safety Systems, A Variety of Models and Packages
The 2009 Frontier includes a long list of safety equipment, including Zone Body construction with front and rear crumple zones, Nissan Advanced Air Bag System (which includes dual-stage front supp ...

Oil additives
NISSAN does not recommend the use of oil additives. The use of an oil additive is not necessary when the proper oil type is used and maintenance intervals are followed. Oil which may contain fo ...

NISSAN dealer.
However, now and then you may notice light spark knock for a short time while accelerating or driving up hills. This is not a cause for concern, because you get the greatest fuel benefit when ther ...