Ford Navigator 2012 Owner's Manual page 287

WARNING: Do not connect the end of the second cable to the
negative (-) terminal of the battery to be jumped. A spark may
cause an explosion of the gases that surround the battery.
Ensure that the cables are clear of fan blades, belts, moving parts of both
engines, or any fuel delivery system parts.
Jump starting
1. Start the engine of the booster vehicle and run the engine at
moderately increased speed.
2. Start the engine of the disabled vehicle.
3. Once the disabled vehicle has been started, run both engines for an
additional three minutes before disconnecting the jumper cables.
Removing the jumper cables
Remove the jumper cables in the reverse order that they were
connected.
Note: In the illustration, the vehicle on the bottom is used to designate
the assisting (boosting) battery.
1. Remove the jumper cable from
the jump starting stud.
2012 Navigator (nav)
Owners Guide, 1st Printing
USA (fus)
Roadside Emergencies
287