See also:

Zone variation change procedure
Zone map 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. Foll ...

Hitch ball
Choose a hitch ball of the proper size and weight rating for your trailer: - The required hitch ball size is stamped on most trailer couplers. Most hitch balls also have the size printed on to ...

Battery
● Keep the battery surface clean and dry. Clean the battery with a solution of baking soda and water. ● Make certain the terminal connections are clean and securely tightened. χ ...