Losing or needing to replace your 2012 Cadillac Key Fob can be a hassle, but programming a new or used OEM key fob doesn’t have to be. Fortunately, for 2012 Cadillac models, you can program a new key fob yourself right at home, saving you a trip to the dealership and potentially hundreds of dollars. This guide provides clear, easy-to-follow instructions for programming your 2012 Cadillac key fob, ensuring you regain full access and control of your vehicle quickly.
This guide is specifically for the CADILLAC 5 BUTTON SMART KEY REMOTE M3N5WY7777A 25943676 – DRIVER 1. Before you begin, it’s important to note that these procedures are not available if the maximum number of transmitters (4) have already been programmed to your vehicle. If you have already programmed 4 key fobs, the Driver Information Center (DIC) will display “MAXIMUM # ELECTRONIC KEYS LEARNED,” and you will not be able to proceed with these steps.
There are two distinct programming procedures depending on whether you currently have a working key fob. Choose the procedure that fits your situation:
Procedure #1: Programming a 2012 Cadillac Key Fob with a Working Remote
This method is for when you have at least one functioning key fob and wish to program an additional one.
- Turn off your Cadillac: Ensure your vehicle is completely turned off.
- Place working remote(s) in the cup holder: Put your existing, working key fob(s) in the vehicle’s cup holder. Have the new key fob you want to program with you, outside of the cup holder.
- Use the Driver’s Door Key Lock Cylinder: Locate the key lock cylinder on the exterior of your driver’s side door.
- Turn the Key to Unlock Five Times: Insert your key into the lock cylinder and turn it to the unlock position five times in rapid succession, within 5 seconds.
- DIC Display: Observe the Driver Information Center (DIC). It should display “Ready to Learn Electronic Key #2, 3, or 4”. This indicates the system is ready to program a new key fob.
- Place the New Remote in the Transmitter Pocket: Locate the transmitter pocket inside your center console, between the driver and front passenger seats. Place the new key fob into this pocket with the buttons facing the front of the vehicle.
- Programming Confirmation: You will hear a beep sound, confirming the key fob has been successfully programmed. The DIC will then display “Ready to Learn Electronic Key #3 or 4,” or “Maximum # Electronic Keys Learned” if you have reached the limit.
- Exit Programming Mode: Press the ignition control knob to exit the programming mode.
- Remove and Test: Remove the newly programmed key fob from the transmitter pocket. Press the “unlock” button on the new remote twice to ensure it is working correctly.
- Program Additional Remotes (Optional): If you have more key fobs to program, repeat steps 6 through 9 for each additional remote.
Procedure #2: Programming a 2012 Cadillac Key Fob Without a Working Remote
Use this procedure if you do not have any currently working key fobs for your 2012 Cadillac.
- Vehicle Off: Ensure your Cadillac is turned off.
- Place the New Remote in the Transmitter Pocket: Put the new key fob you are programming into the transmitter pocket located in the center console, with the buttons facing the front of the vehicle.
- Driver’s Door Key Lock Cylinder: Insert your key into the key lock cylinder on the outside of the driver’s door.
- Turn Key to Unlock Five Times: Turn the key to the unlock position five times within five seconds.
- DIC Display – Ready to Learn: The Driver Information Center (DIC) will display “Ready to Learn Keys.”
- Press Ignition Switch: Press the ignition switch in (push the start button).
- Learn Delay Active (Wait Time): The DIC will show “Learn Delay Active Wait XX Min” and begin counting down from approximately 10 minutes (XX value will vary). You must wait until this timer reaches zero.
- Press Start Control to Learn Keys Again: Once the timer reaches zero, the DIC will display “Press Start Control To Learn Keys again.”
- Press Ignition Switch Again: Press the ignition switch in again.
- Repeat Wait Cycle: Repeat steps 7, 8, and 9. You will have to go through the wait cycle a second time.
- Second Learn Delay Active: The DIC will again display “Learn Delay Active Wait XX Min” and count down to zero.
- Programming Initiation: After the second wait period, a beep will sound, and the DIC will display “Ready To Learn Electronic Key # X.” This indicates that all previously programmed remotes have been erased, and the system is ready to learn new ones.
- Programming Complete Confirmation: A beep will sound again once the key fob programming is complete. The DIC will then display “Ready to Learn Electronic Key #2.”
- Program Additional Remotes (Optional): If you have more key fobs to program, insert each transmitter into the pocket until you hear a beep, and the DIC advances to the next electronic key number. Up to four remotes can be programmed. Once the maximum is reached or you are finished, the DIC will display “Maximum # Electronic Keys Learned” and exit the programming mode.
- Exit Programming Mode: If you are finished programming key fobs, press the ignition control knob to exit the programming mode.
- Test New Remotes: Press the “unlock” button on each newly programmed remote to ensure they are functioning correctly.
By following these procedures, you should be able to successfully program your 2012 Cadillac key fob. Always ensure you are using a compatible OEM key fob for your vehicle to guarantee proper functionality. If you encounter any issues or the programming fails, it may be necessary to consult a professional locksmith or your Cadillac dealership for further assistance.
