See also:

Zone variation change procedure
The difference between magnetic north and geographical north is known as variance. In some areas, this difference can sometimes be great enough to cause false compass readings. Follow these instru ...

Safety
The Sentra received a Good overall rating — the highest possible score — in the Insurance Institute for Highway Safety's frontal-offset and side-impact crash tests. It received the next-best s ...

Maintenance precautions
When performing any inspection or maintenance work on your vehicle, always take care to prevent serious accidental injury to yourself or damage to the vehicle. The following are general precauti ...