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Key Programming in Monroe County, MI

We program smart keys, remotes and transponder keys to your vehicle's computer on site, so new and spare keys start, lock and unlock your car.

Programming a Ford smart key with a laptop at the steering wheel
Car Keys & VehiclesCS Lock and Key
The service

What Is Key Programming?

Key programming is the step that teaches your vehicle to recognize a key. Modern vehicles use smart keys, remotes and chipped transponder keys that must be paired with the car's computer before they'll start the engine or operate the locks. Programming can mean adding a spare to the vehicle, replacing a lost key or erasing keys that are no longer in your hands. CS Lock and Key uses professional programming equipment to connect to your vehicle and pair the key correctly. We're also affiliated with NASTF, the National Automotive Service Task Force.

Why it matters

Why Is Key Programming Necessary?

A key that hasn't been programmed is just a piece of plastic and metal to your car. Whenever you get a new fob, a replacement transponder key or a spare, it has to be programmed before it will work. Programming is also important for security. If a key was lost or stolen, removing it from the vehicle's memory helps make sure it can't be used to start your car. Drivers who buy a used vehicle with only one key often want a second key added and any unknown keys cleared. Proper programming protects your vehicle and keeps every key working.

Before we start

What Is Required For Key Programming?

For key programming, we'll need to confirm the vehicle belongs to you, so please have your ID and registration or title available. Give us the year, make and model, and tell us whether you're adding a spare, replacing a lost key or clearing old keys. Have every key you still own with you, because some vehicles need all keys present during programming. The vehicle should be accessible with its battery in good condition, since programming relies on steady power. We do the work right where your car is parked. If the vehicle has an aftermarket remote start or alarm, mention that too.

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