Mercury Mountaineer 2003 Owner's Manual page 182

Roadside Emergencies
3. Assemble the jack handle
extension on the lug nut wrench by
sliding the square end of the jack
handle through the plastic grommet
on the lug nut wrench and into the
square hole on the other side.
If equipped with a two-piece
extension, assemble the two-piece
extension by sliding the two halves
together.
4. Position the jack according to the
illustrated guides and turn the jack
handle clockwise until the tire is a
maximum of 25 mm (1 inch) off the
ground.
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