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How do I reprogram my push start key fob?

If you've lost your car's push start key fob or it's no longer working, you can often reprogram a replacement fob yourself. This process typically involves syncing the new fob with your vehicle's onboard computer system. Here's a step-by-step guide on how to reprogram your push start key fob.


Gather the Necessary Supplies



  • Replacement push start key fob

  • Owner's manual for your specific vehicle model

  • Pen and paper (optional)


Before you begin, make sure you have a compatible replacement key fob and your vehicle's owner's manual handy. The manual will provide the specific instructions for reprogramming the key fob for your make and model.


Locate the Programming Procedure


Consult your owner's manual to find the instructions for reprogramming the key fob. The steps may vary depending on your vehicle, but they typically involve a combination of pressing buttons on the fob and inside the car. Pay close attention to the sequence and timing of the steps, as they can be quite specific.


Reprogram the Key Fob



  1. Enter your vehicle and locate the programming instructions in the owner's manual.

  2. Follow the step-by-step instructions carefully, pressing the appropriate buttons on the key fob and inside the car as directed.

  3. Once the programming is complete, test the key fob to ensure it's working properly with your vehicle.


If you encounter any issues or the key fob doesn't seem to be reprogramming correctly, refer back to the owner's manual or consult a professional automotive locksmith for assistance.


Tips for Successful Reprogramming



  • Have the owner's manual readily available and follow the instructions precisely.

  • Make sure the key fob's battery is charged or replace it if necessary.

  • Perform the reprogramming in a quiet, distraction-free environment.

  • Be patient and take your time during the process.


Reprogramming a push start key fob can seem daunting, but with the right guidance and attention to detail, you can often do it yourself and save the cost of a professional service.

Why is my key fob not programming?


This usually happens because of low batteries, but shock can also cause the fob to lose its pairing. Most remotes can be reset, so check your car's user manual for the resetting sequence. If resetting fails to solve the problem, the fob will need to be reprogrammed.



How much does it cost to program a push to start key fob?


Several factors determine the cost to reprogram a fob. While it's hard to give a universal estimate, the general cost is between $50 and $250 for reprogramming.



Does AutoZone reprogram key fobs?


while AutoZone does not offer cutting or programing services, you can find a wide selection of key fobs at your local AutoZone store.



How do you resync a key fob?


Press and hold the 'Lock' button on the key fob for approximately 1–2 seconds. Turn the key to the 'OFF' position and wait 1–2 seconds. Turn the key back to the 'ON' position, wait 1–2 seconds. Press and hold the 'Lock' button again for another 1–2 seconds.



Can I reprogram my key fob myself?


Yes, many key fobs can be programmed at home using the instructions provided in your vehicle's owner manual. This can be a convenient and cost-effective option. For more complex systems or newer models, however, professional assistance might still be necessary.



How do I reprogram my keyless car key?


Insert your replacement key and turn the ignition on.
Lock your doors from the inside. Then, hold the lock button on your key (with it still powering the car) and wait for a blinking red light. Your vehicle's key is reprogrammed when you see a blinking red light. Now, safely remove the key from the ignition.



How to reprogram a key fob with push button start?


Programming a Push-Button Starter

  1. With the fob in your hand, get into the driver's seat, closing the door behind you.
  2. When you're ready, press your car's start button 15 times in quick succession, with no more than two seconds between each attempt.
  3. After the 15th button press, push the lock button on your fob.



Why is my push button start not starting my car?


Ensure you are pressing firmly on the brake pedal when attempting to start the vehicle. The Smart Key battery is weak. Hold the Smart Key next to the START button and depress. Please refer to your Owner's Manual for instructions on replacing the Smart Key battery.



How do I know if my key fob needs to be reprogrammed?


One of the most obvious signs that your car key may need reprogramming is if your vehicle won't start. Modern car keys contain a transponder chip that communicates with your car's ignition system.



Why is my key fob not working on push to start?


The most common culprit behind an electric key fob's failure is, as you might guess, the battery. This is a relatively easy issue to fix, although you may need to get a ride to get to buy a replacement fob battery.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.