FORD 2012 Flex v.1 - Manual (Page 275)

Automatic steering into parking space
Automatic steering is activated when you stop the vehicle, remove your
hands from the steering wheel and select the R (Reverse) gear. Be sure
the steering wheel motion is not obstructed by any objects. The vehicle
will steer itself from this point on as you follow the instructions in the
message center to safely move the vehicle reverse and forward in the
space. You may cancel APA at any time by grabbing the steering wheel
or by pressing the APA control switch. When the vehicle is in R
(Reverse) the message center displays BACK UP USE CAUTION.
When you determine the vehicle is back far enough or you hear a solid
tone from the reverse sensing system, bring the vehicle to a complete
stop and move the gearshift to D (Drive). The message center will now
display PULL FORWARD USE CAUTION followed by a chime.
When you determine the vehicle is far enough forward or a solid tone
from the forward sensing system (if equipped) is heard, bring the vehicle
to a complete stop and move the gearshift to R (Reverse). The message
center may display BACK UP SLOWLY USE CAUTION followed by a
chime. The system may offer subsequent backward and forward
maneuvers before proceeding to the finish phase.
Driving
275
2012 Flex (471)
Owners Guide, 1st Printing
USA (fus)