How to Program the Key for Vehiclesby Contributing Writer; Updated June 12, 2017
The Vehicles comes with sentry keys--also called chip keys--that must be programmed to the ignition module. This setup is part of the Vehicles anti-theft system; it makes it harder Vehicles a thief to make a duplicate key Vehicles your Vehicles. The Vehicles keys can be programmed Vehicles home. However, the procedure is only useful if programming an extra key. If you do not have two currently programmed keys, you'll need to visit a Vehicles dealer Vehicles key programming with a dealer-only scan tool.
Under The Hood:
- How to Program the Key for a Mini Cooper
- How do I Program the Key for a Mercedes E320?
- How to Program a Key for a Ford Freestar
- How to Program a Key to a BMW X5
- How to Program a Key for a Mitsubishi Galant
- How to Program a Key for a 2003 Cadillac CTS
- How to Program a Key for a 2006 Jeep Commander
Insert your key in the ignition of your Mini Cooper. Turn the key until the interior dashboard lights turn on.
Remove the key from the ignition, but do not turn the key to the "off" position. Push the "Unlock" button on your car-key remote. Hold it down.
Push the "Lock" button three times. Release the "Unlock" button at the same time you release the "Lock" button for the third time. Repeat the process if you have a second key to program. You must do this within 30 seconds of programming the first key.
Insert your key back into the ignition and turn off your car. Your keys are now programmed.
Place your new key into the ignition of your Mercedes E320.
Hold down the "Lock" button on the key fob.
Remove the key from the ignition while maintaining your hold on the "Lock" button.
Push the "Unlock" button on the key fob five times, consecutively. Do not release your hold on the "Lock" button while pushing the "Unlock" button.
Release your hold on the "Lock" button to complete the programming process.
Place a working key into the ignition of your Freestar and cycle the ignition to "Run" and then back to "Off." Notice that the "Run" position is only two clicks forward, not all the way to starting your ignition.
Remove the working key and quickly insert your new key to be programmed.
Turn the new key two clicks to the "Run" position, let it sit for 5 seconds, then cycle it back to the "Off" position again.
Wait for the security light on your Freestar to activate and turn back off to indicate that the programming was successful. Your key is now ready for use.
Enter the BMW X5. Shut the door. Put the key in the ignition and turn it to the "ACC" position on the lock cylinder.
Move the ignition key to the "OFF" position. Take the key out of the ignition. Press down on the key's "Unlock" button. Release the "Lock" button. Do this three separate times within five seconds. Let go of the "Unlock" button. The locks on the car door will now unlock.
Press down on the "Unlock" button if you wish to reprogram another new key. Let go of the "Lock" button. Again, do this three times inside of five seconds. Let go of the "Unlock" button. Confirm that the locks on the door unlock and lock on your command.
Open the car's data port located under the dashboard on the driver's side.
Insert the key into the ignition.
Connect data port one and four with a jumper wire. Data port one is the port in the top-left corner. Data port four is the fourth port on the top row. Ensure you connect the right ports.
Press the car's "Hazard" button six times within 10 seconds of connecting the data ports with a jumper wire. The car doors should lock and then unlock.
Press the "Lock" button on the remote within 10 seconds. The car locks will cycle again indicating success.
Remove the jumper wire and take the key out of the ignition.
Items you will need
New Lock Cylinder and New Key
Insert a new key into the ignition and turn it to the "On" position. Observe the anti-theft light -- It will illuminate and stay illuminated. Wait for about 10 minutes, or until the theft light turns off, and turn the key to the "Off" position. Turn the key back to the "On" position within 45 seconds. Wait for another 10 minutes, or until the theft light goes out, then turn it off again. Repeat the key cycle one more time. After the theft light turns off the third time, turn the key on one last time. Start the engine to ensure you have successfully programmed the key.
Adding a Spare Key
To program an extra key to the vehicle, insert an existing key into the ignition. Turn the ignition on for five seconds,and then turn it back off. Remove the key. Within five seconds, insert the key you wish to program, and turn on the ignition on. After five seconds, turn the ignition off and then on again. You have now programmed your spare key.
Place your first working key in the ignition. Turn it to "On," but don't crank the engine. Keep the key at the "On" setting for eight seconds, and then turn it back to "Off" and remove it.
Insert the second key into the ignition. Turn it to "On" and wait about 10 seconds. You will hear a chime, and a dash light labeled "SKIM" will illuminate.
Turn the key back to "Off" and remove it from the ignition.
Insert the key you want to program. Turn it to "On" and wait for the "SKIM" light to turn off. This takes approximately 20 seconds. Once the light turns off, the key is programmed.
Items you will need