How to Program a 2005 Ford Explorer Ignition Chip Key Transponder

Step by Step How to Programming Instructions:

If you find yourself without any working keys and need to program a new key, you have a couple of options:

Preferred Option:
1. Call a mobile Automotive Locksmith to come to your vehicle and originate a new key. The Locksmith will then need to connect a special computer to your vehicle to program the new key.

2. Tow your vehicle to a Dealership, and they will originate a new key. The Dealership will also have to connect a special computer to your vehicle to program the new key.

For programming a second key if you have one working key:

Yes, you can buy or rent a programmer. Otherwise, here are your options:

1. Contact or visit an Automotive Locksmith, and they will connect a special computer to your vehicle to program the second key.

2. Go to a Dealership, and they will connect a special computer to your vehicle to program the second key.

For programming a third key if you have two working keys:

Yes, once you have had the new key cut by a Locksmith, follow these instructions:

1. Insert an existing working key into the ignition cylinder.
2. Turn the ignition cylinder to ON (RUN) and then back to OFF.
3. Remove the existing working key and, within five seconds, insert a second working key and turn it to ON (RUN), then back to OFF.
4. Remove the second working key and insert the new key before ten seconds have elapsed, and turn it to ON (RUN). Leave it on for one second and then turn back to OFF.
5. The security light will light up for three seconds to indicate that the new key has been successfully programmed.

If you have lost all keys for this vehicle, you will need to find a locksmith to come to your vehicle to originate a new ignition key.