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Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock.” (“Spark knock” is a metallic rapping noise.) If severe, this can lead to ...

2010 Nissan Altima review
A variety of vehicles have enjoyed their day in the sun: Wagons until they gave way to minivans, which gave way to SUVs, which bowed to crossovers. But then there's the old reliable, the midsize s ...

Head restraints
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, as spe ...