Lincoln 2006 LS Owner's Manual page 259

Roadside Emergencies
Removing the jumper cables
Remove the jumper cables in the reverse order that they were
connected.
1. Remove the jumper cable from the spare tire tie-down stud.
2. Remove the jumper cable on the negative (-) connection of the
booster vehicle's battery.
259
2006 Lincoln LS (dew)
Owners Guide (post-2002-fmt)
USA (fus)