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Smart Car Key Replacement Houston Texas

- car lock-smith Hello. Have you lost or broken the key to your Smart Car? Do you want to copy fobic remote, key-less entry or high security? Googling for a convenience and modest key replacement services?

Great news

Okey DoKey Locksmith offer 24/7 fast and affordable Smart Car replacement keys. Call (832)408-0006 for immediate assistance, free estimate and scheduling. Our expert mobile car locksmith come to you to copy or replace your lost keys on-site.

Furthermore, we can solve all your Smart Car ignition, locks and key concerns.

Does Smart Car use transponder keys?

Smart Car transponder keys In 2008 Smart Car began using an encrypted transponder remote head key on all it's models.

The OEM Smart Car remote head key contains a laser cut emergency key.

What is a Smart Car transponder key used for?

Smart Car anti theft Smart Car transponder keys mainly used as a vehicle anti-theft technology. Together with the immobilizer, transponders helps protecting your Smart Car from unauthorized access.

The immobilizer initialized to recognize each key by a programmable code. When a key with unmatched code turned in the ignition, the vehicle becomes immobilized. The fuel-pump will shut down and will not start for a few minutes.

How does Smart Car immobilizer works?

Smart Car transponders uses the "Philips rolling code" system to change value each time the key is used. If an unauthorized personal will try copying the key data, it will be invalid the next time the key used.

Smart Car ECU Each immobilization system programmed with 10 unique chips upon manufacturing of the vehicle. 2-3 keys are provided when a new car is purchased, and each additional keys ordered through a dealer or a licensed locksmith. When reaching the 10 keys limit, the ECU replaced and align to accept 10 new keys. This process could cost $1k-$3k to do.

Can I program a duplicate Smart Car transponder key myself?

Smart Car offer no on-board interface to duplicate keys by yourself. Each key need to be programmed by the dealer or a licensed locksmith using dedicated programmers. Each additional key approved by Smart Car using the VIN before it can start the car.

How do I know if I have a transponder key?

Following are the list of Smart Car models that use transponders:

Smart Fortwo 2008 - 2016

How to duplicate Smart Car keys and remotes?

The procedure for getting a duplicate Smart Car key done by a local dealer or a car locksmith. You can duplicate the key by VIN or by a cloning process:

Duplicate Smart Car key by VIN

To duplicate a key the dealer will need the VIN and a proof of ownership which is registration or title and a match driver license. The vehicle does not need to be at the dealership.

Prices vary slightly from dealership to dealership, so you better call more than one dealer for the best price. Call the dealer and provide them your VIN to get a quote.

If you are not the owner of the Smart Car, you will need a signed power of attorney from the owner.

Smart Car key cloning

Smart Car key cloning is a job that very few locksmith can perform. The newer your Smart Car is, the harder it's going to be to find a locksmith who can clone your key.

A locksmith with Smart Car key programmer and diagnosis tool can create cloned key using 2 methods:

  1. Vehicle OBD port - read the key data from the vehicle and copy to a new blank
  2. Reading the key - scan the key to get it's data and copy it to a new blank

Can I program Smart Car key FOB myself?

There is no onboard interface to program keys. Only the dealer or a locksmith can program keys and remote to all Smart Car immobilized models.

Lost/stolen key replacement! What to do?

lost key made When you lose all your keys to a Smart Car the process is very similar to a key duplication. Reprogramming interface and tools are available only to the Smart Car dealer or to a licensed locksmith. The vehicle computer is reprogrammed to accept a new key from the list of 10 initial keys and reject the lost keys.

While some people complain about the limit of 10 keys for each ECU, the rolling code offer a great advantage. Since the 10 keys codes are already programmed, the dealer or a mobile locksmith don't need the car present to make a key.

Just like key duplication service, all they need to cut and program a new key is the VIN and a proof of ownership.

My Smart Car ignition key wont turn! What to do?

Smart Car ignition repair

There are many reasons for ignition problems! Please check our article about ignition repair and replacement.

How much is a replacement Smart Car key?

Service Price
Car Lockout $60-$120
Locked keys in trunk $70-$350
Door lock rekey/repair/change $200-$320
Lost key replacement $195-$470
Duplicate car key $225-$285
Remote/Flip keys $200-$300
Keyless entry device $220-$320
Ignition repair $195-$350
Key extraction $95-$150
Ignition replacement $250-$400
ECU re-flash $600-$950

* Estimates above includes the technician coming out to you the parts and the labor.

Final price depends on:

  • The state of the lock and the computer in the vehicle.
  • The type of equipment that the technician need to use.
  • The type of key that you would like to have.
  • The chip configuration.

The tech will diagnose the vehicle and provide a price for you to approve before doing anything.

How long does it takes to make a key?

emergency mobile locksmith Our emergency mobile motor vehicle lock-smith are available 24 hour 7 day a week 365 days a year. Ready to handle all your Smart Car ignition and locks malfunctions. We usually arrive at customer location fast.

Our trademarked truck is ultimately provided with most advance diagnostic, programming and cutting equipage able to restore keys onsite. A key replacement process for a vehicle usually done same day.

We take great pride in presenting a budget price and reliable services. Give us a call at (832)408-0006 for a FREE ESTIMATE and our Smart Car expert will arrive to your place ASAP. Okey DoKey Locksmith is always here to meet your needs in a professional way.


  1. Smart
  2. wikipedia - Keyless Go
  3. Smart Car Of America - The largest online community dedicated to all things Smart Car.
  4. edmunds - American online resource for automotive information.

Related articles/services

  1. Car key replacement
  2. Ignition repair
  3. Car lockout

Smart Car Key Replacement Houston Texas Okey DoKey Locksmith

Smart Car Key Replacement Houston Texas Okey DoKey Locksmith

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