Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2012FIESTA L4-1.6LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATICALLY SHIFTED MANUAL TRANSMISSION/TRANSAXLESHIFT INTERLOCKSERVICE AND REPAIR
2012 Ford Fiesta L4-1.6L
Shift Interlock: Service and Repair
2012 Ford Fiesta L4-1.6LSECTION Service and Repair
Brake Shift Interlock Override
NOTE: If it is necessary to use the brake shift interlock override procedure to move the selector lever out of the PARK position, it is possible that a fuse has blown and the brake lights are not operational. Before driving the vehicle, verify that the brake lights are working.
This vehicle is equipped with a brake shift interlock feature that prevents the selector lever from being moved out of PARK when the ignition is in the ON or RUN position unless the brake pedal is depressed.
Perform the following if the selector lever cannot be moved out of the PARK position when the ignition is in the ON position and the brake pedal is depressed:
1. Apply the parking brake.
2. Turn the ignition key to the ON position.
3. Remove the center console side panel.
4. Locate the brake shift interlock override mechanism on the Brake Shift Interlock Actuator (BSIA).
5. Using an suitable tool, depress the brake shift interlock override mechanism on the BSIA (Brake Shift Interlock Actuator), apply the brake, depress the button on the selector lever and move the selector lever into NEUTRAL.
6. Start the vehicle.
7. To install, reverse the procedure.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.