Losing or damaging your car key can be a stressful experience. If you drive a 2007 Chevy Cobalt and are facing issues with your key fob, you’re in the right place. This guide will walk you through everything you need to know about replacing your 2007 Chevy Cobalt Key Fob, from understanding the type of key you need to programming it yourself.
Understanding Your 2007 Chevy Cobalt Key Fob (Transponder Key)
The key for your 2007 Chevrolet Cobalt is not just a simple metal key. It’s equipped with a transponder chip, a crucial component of your vehicle’s anti-theft system. This chip, typically a Philips 46 (Circle+), is embedded within the plastic head of the key and communicates with your car’s immobilizer.
This means that simply cutting a new key based on your car’s ignition cylinder won’t be enough to start your 2007 Chevy Cobalt. The transponder chip needs to be correctly programmed to your vehicle to bypass the security system and allow the engine to start. Therefore, getting your new 2007 Chevy Cobalt key fob both cut and programmed is essential.
Replacement Options for Your 2007 Chevy Cobalt Key Fob
When it comes to replacing your 2007 Chevy Cobalt key fob, you have a few options:
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Aftermarket Keys: Aftermarket keys, like the B111 model, are a cost-effective alternative to dealership keys. These keys are designed to be compatible with your vehicle’s system and offer the same functionality as original keys. They require professional cutting and programming.
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Automotive Locksmith: A qualified automotive locksmith is an excellent resource for 2007 Chevy Cobalt key fob replacement. Locksmiths specialize in car keys and security systems. They can cut and program aftermarket keys or sometimes even original equipment manufacturer (OEM) keys. Using a locksmith is often more convenient and cheaper than going to a dealership. You can find a local locksmith through online directories.
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Dealership: Your local Chevrolet dealership can also provide a replacement 2007 Chevy Cobalt key fob. While dealerships offer OEM keys, this option is typically the most expensive. You will also likely need to schedule an appointment and potentially have your vehicle towed to the dealership if you’ve lost all keys.
Regardless of where you get your replacement key, remember that cutting and programming are necessary steps. Reputable sources will usually require proof of vehicle ownership to ensure security and prevent theft.
Programming Your 2007 Chevy Cobalt Key Fob
Depending on your situation, you might be able to program your new 2007 Chevy Cobalt key fob yourself, especially if you already have a working key. Here are two sets of programming instructions, one for adding an extra key and another for when all keys are lost.
To Add an Extra Key (You Must Have at Least One Working Key)
This method is straightforward if you have an existing, functioning key for your 2007 Chevy Cobalt:
- Insert your existing, working key into the ignition cylinder.
- Turn the ignition to the “ON” position for 5 seconds, then turn it back to the “OFF” position.
- Remove the working key. Within 5 seconds, insert the new, unprogrammed key into the ignition.
- Turn the new key to the “ON” position for 5 seconds.
- Turn the key to the “OFF” position, then back to the “ON” position to start your vehicle and test the new key. Your new 2007 Chevy Cobalt key fob should now be programmed.
All Keys Lost/Misplaced Programming
If you have lost all your keys for your 2007 Chevy Cobalt, the programming process is longer and requires a security relearn procedure:
- Insert the new, cut key into the ignition cylinder and turn it to the “ON” position. The security light on your dashboard will illuminate and remain on for approximately 10 minutes. Once the security light turns off, you have a 1-minute window to proceed to the next step.
- Turn the ignition cylinder to the “OFF” position, and then back to the “ON” position. Again, the security light will illuminate for another 10 minutes. Wait for it to turn off.
- Repeat step 2 one more time. Turn the ignition cylinder to “OFF” and then back to “ON”. The security light will illuminate for a final 10-minute period.
- After the security light has turned off for the third time, turn the key to the “OFF” position and remove it from the ignition. The new key should now be programmed, and any previously programmed keys will be erased.
- Insert the newly programmed key and start your 2007 Chevy Cobalt to test if the programming was successful.
Important Note: These programming instructions are provided as a guide. Always consult your vehicle’s owner’s manual for the most accurate and up-to-date procedures. If you encounter difficulties, seeking professional help from a locksmith or dealership is recommended.
Key Compatibility and Part Numbers
The 2007 Chevy Cobalt key fob discussed here is also compatible with a range of other General Motors vehicles from similar years. These include:
- Buick Enclave (2008-2017)
- Buick Lucerne (2006-2011)
- Cadillac CTS (2008-2014)
- Cadillac DTS (2006-2011)
- Cadillac Escalade (2007-2014)
- Cadillac SRX (2007-2009)
- Cadillac STS (2004-2011)
- Chevrolet Avalanche (2007-2013)
- Chevrolet Equinox (2007-2009)
- Chevrolet Express (2008-2014)
- Chevrolet HHR (2006-2012)
- Chevrolet Impala (2006-2016)
- Chevrolet Malibu (2004-2012)
- Chevrolet Monte Carlo (2006-2007)
- Chevrolet Silverado (2007-2013 & 2014 Silverado 2500HD/3500HD)
- Chevrolet Suburban (2007-2014)
- Chevrolet Tahoe (2007-2014)
- Chevrolet Traverse (2009-2017)
- GMC Acadia (2007-2017)
- GMC Savana (2008-2014)
- GMC Sierra (2007-2013)
- GMC Yukon (2007-2014)
- Hummer H2 (2008-2009)
- Pontiac G5 (2007-2009)
- Pontiac G6 (2005-2010)
- Pontiac Pursuit (2005-2006)
- Pontiac Solstice (2006-2009)
- Pontiac Torrent (2007-2009)
- Saturn Aura (2007-2010)
- Saturn Outlook (2007-2010)
- Saturn Sky (2007-2010)
- Suzuki XL-7 / XL7 (2007-2009)
If you are looking for part number references, the B111 key blank and its equivalents are known under various codes, including:
- A1: GMX320, GMX-100C, GMX-272C, GMX381C
- Ilco: B111-PT
- Hata: HAT320PK, HAT-100C, HAT381CP
- Jet: GMX320PHT, GMX381CPPHT
- Strattec: 693126, 692139, 5904001, 692933, 692932, 692931, 593254, 693121, 693127, 692930, 5913736
- OEM: 23372322
- Test key: B106 / B109
- Code Series: G0001-3631
- Groove: 93
Conclusion
Replacing your 2007 Chevy Cobalt key fob doesn’t have to be a major ordeal. By understanding the type of key you need, your replacement options, and the programming procedures, you can confidently get back on the road. Whether you choose an aftermarket key, a locksmith, or a dealership, ensure both cutting and programming are performed for a fully functional key. Remember to always verify compatibility and consult professionals if needed for a smooth and secure key replacement experience.
