See also:

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 engin ...

If your vehicle overheats
If your vehicle is overheating (indicated by an extremely high temperature gauge reading) or if you feel a lack of engine power, detect abnormal noise, etc., take the following steps. WARNING: ...

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, as ...