See also:

Replacing spark plugs
Iridium-tipped spark plugs (if so equipped) It is not necessary to replace iridium-tipped A spark plugs as frequently as conventional type spark plugs because they last much longer. Follow th ...

Head restraints
WARNING: Head restraints supplement the other vehicle safety systems. They may provide additional protection against injury in certain rear end collisions. Adjust the head restraints properly ...

Safety
Traction control is available on select models. The Frontier offers advanced brake controls in 4x4 models, including an electronic stability system, Hill Descent Control and Hill Start Assist. HDC ...