Lincoln 2009 Navigator Owner's Manual page 312

Roadside Emergencies
4. Remove the jumper cable from the positive (+) terminal of the
disabled vehicle's battery.
After the disabled vehicle has been started and the jumper cables
removed, allow it to idle for several minutes so the engine computer can
relearn its idle conditions.
312
2009 Navigator (nav)
Owners Guide, 2nd Printing
USA (fus)