FORD 2013 Mustang v.2 - Manual (Page 162)

Brake-Shift Interlock
WARNING: Do not drive your vehicle until you verify that the
brake lamps 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 as soon as possible.
Note: See your authorized dealer as soon as possible if this procedure is
used.
Use the BSI lever to move the gearshift lever from the park position in
the event of an electrical malfunction or if your vehicle has a dead
battery.
Note: For some markets this feature will be disabled.
Apply the parking brake and turn the ignition off before performing this
procedure.
1. Remove the cup holder insert.
2. Using a screwdriver (or similar
tool), remove the protective cover
to the interlock release access hole
on the console.
162 Transmission
2013 05+ Mustang (197)
Owners Guide gf, 2nd Printing
USA (fus)