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.
Key Programming - Spare Key Programming Switch
Insert a programmed ignition key into the ignition lock cylinder. Turn ignition switch to LOCK position, then to RUN position. Using NGS tester and Ford Service Function (FSF) card, select PATS module. Select SECURITY ACCESS PROCEDURE. This procedure will take 10 minutes to perform. After security access procedure has been completed, a new menu will be displayed with command options. Default setting on all new vehicles is ENABLE. Select SPARE KEY PROGRAMMING SWITCH. Set SPARE KEY PROGRAMMING SWITCH to ENABLE or DISABLE.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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