Are you in need of a replacement ignition key for your 2003 Cadillac Deville? Losing or damaging your car key can be a stressful experience, but finding a reliable and cost-effective replacement shouldn’t be. This aftermarket transponder chip key is specifically designed for the 2003 Cadillac Deville and offers a convenient solution to get you back on the road.
Understanding Your 2003 Cadillac Deville Transponder Key
The key for your 2003 Cadillac Deville is more than just a simple piece of metal. It’s equipped with a transponder chip, a crucial component of your vehicle’s anti-theft system. This chip communicates with your car’s immobilizer, ensuring that only the correctly programmed key can start the engine. Therefore, simply cutting a new key blade will not be enough to start your Cadillac Deville.
This replacement key blank comes with the necessary Megamos 13 transponder chip and is ready to be cut and programmed to match your vehicle. It’s an aftermarket alternative to OEM keys, offering the same functionality and reliability at a more accessible price point.
Key Features and Compatibility
This replacement ignition key is designed to be compatible with a range of GM vehicles, including:
- Cadillac Deville (2000-2005)
- Cadillac Seville (1998-2004)
- Buick LeSabre (2000-2005)
- Buick Rendezvous (2002-2007)
- Buick Terraza (2007)
- Chevrolet Uplander (2007-2009)
- Oldsmobile Aurora (2001-2003)
- Pontiac Aztec (2001-2005)
- Pontiac Bonneville (2000-2005)
- Pontiac Montana SV6 (2007-2009)
This key is also known under various part numbers, ensuring its compatibility:
- GM OEM: 15821269, 15828348, 12450409
- Strattec: 690898, 692952, 5928821
- A1: B99SPT
- Bianchi: BB99PT
- Ilco: B99-GPT
- Jet: B99-PHT
Programming Your New 2003 Cadillac Deville Key Fob
To use this replacement key, you will need to have it cut to match your vehicle’s ignition and programmed to communicate with your car’s security system. We do not offer key cutting or programming services directly, but these services are readily available at automotive locksmiths and some hardware stores.
Professional Cutting and Programming Required:
Upon receiving your new key, it’s essential to take it to a professional locksmith or a qualified hardware store for cutting. They will have the necessary tools to precisely cut the key blade to match your vehicle’s ignition cylinder. Ensure you bring proof of vehicle ownership, such as your registration or insurance card, as it is often required for security reasons.
DIY Programming Instructions (Adding an Extra Key):
If you already have at least one working key for your 2003 Cadillac Deville, you can program this new key yourself using the following steps:
- 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 and within 5 seconds, insert the new, uncut key blank into the ignition.
- Turn the new key to the “ON” position for 5 seconds.
- Turn the key to the “OFF” position and then back to the “ON” position to start your vehicle and test the new key.
Programming Instructions for ALL KEYS LOST/MISPLACED:
If you have lost all your keys, the programming process is slightly longer and requires a timed security relearn procedure:
- Insert the newly 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 light turns off, you have one minute to proceed to the next step.
- Turn the ignition to the “OFF” position and then back to the “ON” position. The security light will again illuminate for 10 minutes.
- Repeat step 2 one more time. After the security light turns off for the third time, turn the key off and remove it from the ignition.
- The key should now be programmed. Insert the key back into the ignition and start your vehicle to test it.
What’s Included in Your Purchase
- One aftermarket transponder ignition key blank for 2003 Cadillac Deville
We stand behind the quality of our products. Your purchase includes a 90-day 100% satisfaction guarantee and warranty. We offer a money-back or return policy for your peace of mind.
For professional key cutting and programming services, you can locate a certified locksmith in your area by using online locksmith search tools. Get your replacement 2003 Cadillac Deville Key Fob today and restore your vehicle access with ease!
