Key - How To Program 2003 Ford F150

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

The 2003 F-150 uses a Passive Anti-Theft System (PATS). You can only program a new chip key yourself if you already have . Method: With Two Working Keys How To Program 2003 Ford F150 Key

into the ignition and turn it to RUN (not start) for about 3–5 seconds. Keep the new key in the position for several seconds