"ISSUE:
A STEERING WHEEL SHIMMY MAY BE EVIDENT DURING THE PRE-DELIVERY INSPECTION (PDI) ROAD TEST DUE TO TEMPORARY FLAT SPOTS ON THE ROLLING
SURFACE OF THE TIRE.
CAUSE:
TEMPORARY FLAT SPOTS NATURALLY DEVELOP ON THE ROLLING SURFACE OF A TIRE WHEN THE WHEELS OF THE VEHICLE ARE STATIONARY OVER A PERIOD OF TIME."