Ford 2013 Flex Owner's Manual page 272

272
Trailer Brakes
WARNING: Do not connect a trailer's hydraulic brake system
directly to your vehicle's brake system. Your vehicle may not have
enough braking power and your chances of having a collision greatly
increase.
Electric brakes and manual, automatic or surge-type trailer brakes are
safe if installed properly and adjusted to the manufacturer's
specifications. The trailer brakes must meet local and Federal
regulations.
The braking system of the tow vehicle is rated for operation at the
GVWR not GCWR.
Trailer Brake Controller Connector (If Equipped)
2013 Flex (471)
Owners Guide gf, 1st Printing
USA (fus)
Towing
The trailer brake controller connector
is located under the instrument panel
above the brake pedal.
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