How To Program 2003 Ford F150 Key (4K | 720p)

Keep the new key in the position for several seconds. The security light on the dash will typically stay on for three seconds or the door locks will cycle to confirm success. Method: With Zero or One Working Key

Within 10 seconds, and turn it to RUN .

and, within 10 seconds, insert the second working key . Turn it to RUN for another 3–5 seconds, then remove it. How To Program 2003 Ford F150 Key