Chevrolet car key fob or need to add an extra one?

Have you lost your Chevrolet car key fob or need to add an extra one? Dealing with lost or additional key fobs can be stressful and expensive if you rely solely on dealership services. However, with a few tools and some basic know-how, you can save money by making or adding a key fob yourself. Let’s explore the steps to accomplish this task efficiently.

Assess Your Needs

Before diving into the process, determine whether you’re looking to replace a lost key fob or simply add a spare one. If you’ve lost all your key fobs, you’ll need to reprogram your car’s system. For adding a spare, ensure you have a working key fob to use as a reference.

Gather Tools and Materials

Here’s what you’ll typically need:

  • Replacement key fob (can be purchased online)
  • Small flat-head screwdriver
  • New key blade (if applicable)
  • Access to your Chevrolet vehicle

Steps to Make or Add a Key Fob

Step 1: Purchase a Replacement Key Fob

Find a compatible replacement key fob for your Chevrolet model. Ensure it matches your vehicle’s make, model, and year.

Step 2: Program the Key Fob

Programming methods can vary depending on your Chevrolet’s model and year. Here are general instructions:

  • Manual Programming: Some older models allow manual programming by turning the ignition on and off a series of times.
  • Using a Scanner Tool: Newer Chevrolet models may require a scanner tool for programming. This tool connects to your car’s OBD-II port to sync the new key fob with your vehicle’s system.

Refer to your car’s manual or online resources for specific programming instructions tailored to your Chevrolet’s model.

Step 3: Sync the Key Fob

If you’re adding a spare key fob, syncing it with your car’s system is essential. Follow these general steps:

  • Insert your existing working key into the ignition and turn it to the ‘On’ position without starting the engine.
  • Press the ‘Unlock’ button on the existing key fob and hold it.
  • While holding the ‘Unlock’ button, press the ‘Lock’ button three times within ten seconds.
  • Release both buttons. You should hear the door locks cycle, indicating the system is in programming mode.
  • Quickly press any button on the new key fob. The door locks should cycle again, confirming successful programming.

Step 4: Cutting a New Key Blade (if needed)

If your replacement key fob includes a key blade and you require a physical key, you might need to have the key blade cut to match your original key. Visit a locksmith or hardware store for this service.

Final Tips

  • Battery Replacement: If your key fob has a battery compartment, ensure the battery is new or fully charged for optimal performance.
  • Test Thoroughly: After programming, test the new key fob to ensure all functions (lock, unlock, panic) work correctly.
  • Backup Keys: Always keep spare keys in safe locations to avoid future issues.


By following these steps, you can save time and money by making or adding a key fob for your Chevrolet car on your own. Remember to research specific instructions for your Chevrolet’s model and year, as programming methods can differ. With a bit of patience and attention to detail, you’ll have a functional key fob ready for your vehicle in no time. Happy DIY key fob programming!


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