FORD 2013 Flex v.2 - Manual (Page 203)

Automatic transmission adaptive learning
This feature is designed to increase durability and provide consistent
shift feel over the life of the vehicle. A new vehicle or transmission may
have firm and/or soft shifts. This operation is considered normal and will
not affect function or durability of the transmission. Over time, the
adaptive learning process will fully update transmission operation.
Additionally, whenever the battery is disconnected or a new battery
installed, the strategy must be relearned.
Brake-shift interlock
WARNING: Do not drive your vehicle until you verify that the
brakelamps are working.
WARNING: When doing this procedure, you will be taking the
vehicle out of park which means the vehicle can roll freely. To
avoid unwanted vehicle movement, always fully set the parking brake
prior to doing this procedure. Use wheel chocks if appropriate.
WARNING: If the parking brake is fully released, but the brake
warning lamp remains illuminated, the brakes may not be
working properly. See your authorized dealer.
Note: See your authorized dealer as soon as possible if this procedure is
used.
This vehicle is equipped with a brake-shift interlock feature that prevents
the gearshift lever from being moved from P (Park) when the ignition is
on unless the brake pedal is pressed.
If you cannot move the gearshift lever out of P (Park) with the ignition
on and the brake pedal pressed, it is possible that a fuse has blown or
the vehicle’s brake lamps are not operating properly. Refer to the Fuses
chapter.
Transmission 203
2013 Flex (471)
Owners Guide gf, 2nd Printing
USA (fus)