Ford 2015 C-MAX HYBRID Owner's Manual page 197

A. Positive prong (+)
B. Negative prong (-)
Note: In the illustration, the vehicle on the
bottom is used to designate the assisting
(boosting) battery.
Note: Remove the red cap from the positive
prong (A) on your vehicle before connecting
the cables.
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C-MAX (CCG) Canada/United States of America, enUSA, Second Printing
Roadside Emergencies
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1. Connect the positive (+) jumper cable
to the positive (+) prong (A) 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. Make the final connection of the
negative (-) cable to the negative (-)
prong (B) of your vehicle.
Note: Do not attach the negative (-) cable
to fuel lines, engine rocker covers, the intake
manifold or electrical components. These
items should not be considered grounding
points.
WARNING
Never connect the negative end of
the cable to the negative (-) terminal
of the discharged battery. A spark
may cause an explosion of the gases that
surround the battery. Always use the
negative prong as a grounding point.
Make sure that the cables are clear of fan
blades, belts, the moving parts of both
engines, or any fuel delivery system parts.
Jump Starting
1. Start the booster vehicle and press the
accelerator pedal moderately.