Ford 2013 Flex Owner's Manual page 280

Roadside Emergencies
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3
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 a
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.
2013 Flex (471)
Owners Guide gf, 4th Printing, December 2012
USA (fus)
1. Connect the positive (+) jumper
cable to the positive (+) terminal of
the discharged battery.
2. Connect the other end of the
positive (+) cable to the positive
(+) terminal of the assisting battery.
3. Connect the negative (-) cable to
the negative (-) terminal of the
assisting battery.
4
4. Make the final connection of the
negative (-) cable to an exposed
2
metal part of the stalled vehicle's
engine, away from the battery and
the carburetor or fuel injection
system.
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