Key Replacement near Detroit | Pure Honda Ferndale

key replacement

Key Replacement

Welcome to your comprehensive guide on car keys and key replacement! As simple as they seem, car keys come in various types, each with its own set of functionalities and replacement costs. Whether you're a car owner, a prospective buyer, or someone in the middle of a car key crisis, understanding the different types of keys and what goes into replacing them can save you time and money. Read on to discover the world of car keys!

Types of Car Keys


Mechanical Key

The original and most straightforward type of car key, the mechanical key, consists of a metal shaft with unique grooves and cuts. It's manually inserted into the ignition and turned to start the car.

Transponder Key

A step up from the mechanical key, the transponder key has a chip embedded within its plastic body. The chip communicates with the car's engine control unit (ECU) to authorize ignition.

Laser-Cut Transponder Key

This is a more secure version of the transponder key, featuring a thicker shank and fewer grooves. The unique laser-cut pattern makes it harder for thieves to pick the lock.

Remote and Key Combo

Combining the features of a transponder key and a remote, this all-in-one unit allows you to lock/unlock doors and start the ignition. Convenient but also more complex.

Proximity Key Fob

Also known as "smart keys," these allow you to start your car without removing the fob from your pocket. Just being in close proximity to the car enables various functionalities, from unlocking doors to starting the engine.

How Much Does It Cost to Replace a Car Key?


Mechanical Key: $45

Generally, the cheapest to replace due to its simplicity. No special equipment is needed.

Transponder Key: $45

These keys require specialized programming, adding to the overall cost.

Laser-Cut Transponder Key: $40 - $80

Expect higher costs due to the intricate laser-cut pattern and programming needs.

Remote and Key Combo: $70 - $120

The cost is higher because you're essentially replacing two items: the remote and the transponder key.

Proximity Key Fob: Key Insert: $40 | Fob: $60 - $180

These are the most expensive to replace and often require specialized equipment for programming.

Each of these keys has a different programming method, and some require specialized equipment or dealership assistance, further influencing the cost.

Can I Program a Car Key Myself?

While it's possible to program some types of car keys yourself, the procedure can be complex and risky if you're not well-versed in car electronics. Mechanical keys don't require programming, but transponder keys and smart keys often require specialized equipment and software. Unless you're confident in your technical abilities, it's usually best to seek professional help for programming car keys.


For all your car key needs, from understanding different types to tackling emergency replacements, we've got you covered. Reach out to our team of experts for reliable, professional service that takes the mystery out of car key replacement.