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Can a Duplicate Car Key Work If the Original Key Has a Chip?

Yes, but it requires more than just cutting the key. Modern car keys often come with transponder chips embedded in them for added security. When duplicating such keys, the locksmith must not only copy the physical key but also program the chip to match your car’s ignition system. 

Without car key programming, the duplicate key may physically fit but won’t start the vehicle. Always confirm whether your key has a transponder chip before getting a duplicate.

Is It Possible to Duplicate a Key Without the Original?

Surprisingly, yes. If you’ve lost your original key, a professional locksmith can still create a duplicate. They use your car’s VIN (Vehicle Identification Number) to access the manufacturer’s key code database. However, you’ll need to provide proof of ownership for security reasons. This process is often more complex and costly than standard key duplication, so it’s recommended to have a spare made when you have the original.

Do Duplicate Car Keys Affect the Security of My Vehicle?

Duplicate keys themselves don’t compromise security, but where and how they are made can make a difference. Your vehicle remains secure if you get a duplicate from a reputable locksmith who uses high-security equipment. However, poorly made duplicates or those created without chip programming could pose risks. To maintain security, avoid using unverified online key duplication services and always work with licensed professionals.


Car key duplication is more complex than it seems, especially with modern vehicle security features. Understanding these uncommon aspects can help you make informed decisions, keep your vehicle secure, and ensure you always have a functional spare key. Don’t let a damaged key disrupt your day—call  Lucky Lock Locksmith now at 510-999-7725 for fast, dependable assistance.

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