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Lexus Key Replacement Houston Texas

- motor vehicle lock-smith Hello there. Have you broken or misplaced the keys to your Lexus? Do you want to duplicate fob remote, keyless access device or high security? Googling for a convenience and modest keys replacement services?


Okey DoKey Locksmith offer 24/7 fast and affordable Lexus key replacement. 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 Lexus locks, ignition and key concerns.

Does Lexus use transponder keys?

transponder keys Lexus started using electric keys in 1997. The first models to use this key was the LS400. Since 2000 most Lexus vehicles adopt the use of transponder keys.

In 2007 few models use proximity key based on the Smart Key System. This technology used as either standard or optional equipment. In 2015 few models switched to a sidewinder encrypted keys.

What's Lexus transponder key used for?

car anti-theft The Lexus immobilizer is a state-of-the-art theft deterrent system. Research shows that immobilisers reduced the rate of car theft by 40%.

How does Lexus transponder and immobilizer work?

Lexus vehicles manufactured and delivered with 2 types of keys. A master key to operate all the locks and a valet key that cannot operate the glove box or trunk locks. Inside the vehile there is an immobiliser programmed to recognize it's specific keys. When the key inserted into the ignition, the transponder sends an RF signal to the engine immobilizer unit. The car will only start if the signal sent by the key matches the one stored in the immobilizer. If the immobiliser doesn't recognize the code, the immobilizer will lock down the engine.

Can I program a transponder key myself?

The first generation Lexus transponders have a simple on-board procedure to duplicate keys if you have at least one master. The models and years who support on-board duplication and the process describes here. Later vehicles use an encrypted transponders and need to be plugged to diagnostic equipment.

How do I know if I have a transponder key?

  • Lexus RX 330 2004+
  • Lexus GX 470 2003+
  • Lexus IS 300 2000+
  • Lexus GS 350 2013+
  • Lexus IS F 2008+
  • Lexus ES 300 1998+
  • Lexus CT 200h 2011+
  • Lexus RX 450h 2010+
  • Lexus LS 460 2007+
  • Lexus IS 250 2006+
  • Lexus SC 430 2002+
  • Lexus HS 250h 2010+
  • Lexus RX 400h 2006+
  • Lexus GS 430 2001+
  • Lexus LS 400 1997+
  • Lexus GS 300 1998+
  • Lexus ES 350 2007+
  • Lexus LX 470 1999+
  • Lexus GX 460 2014+
  • Lexus RX 300 1999+
  • Lexus ES 330 2004+
  • Lexus RX 350 2012+

How to duplicate Lexus keys and remotes?

How to duplicate Lexus metal keys blade?

duplicate car keys If your Lexus made before 1998, your vehicle most likely use a TR-47 key with no chip. All you need to do is to find a dealer, locksmith or even a hardware store with a car key cutting machine. Then drive to them with one existing key or with the VIN and get it duplicated by copying the same key grooves.

Duplicate Lexus first generation transponder keys

On-board key duplication

If your Lexus that made after 1998, your vehicle might use an TOY43 transponder key.

This first generation Lexus transponder keys is duplicated by an on-board cloning process. The process describes here

How to clone lexus transponder key?

Cloning TOY43 key requires proper programming tools. A locksmith or the dealer can cut and clone a duplicate key. The vihicle and a functional master key must be present on-site.

How to duplicate lexus transponder key by VIN?

Duplication by VIN is usually done when the blade is dent or damaged but the chip is intact. Having the VIN, the dealer or a locksmith will get the key-code cuts from Lexus. This process requires exact programmer and diagnostic equipment, license, a proof of owneship and the vehicle present.

Duplicate Lexus TOY44 keys

Lexus models decked with TOY44 keys have no provision to duplicate keys on-board. To get a back up keys, driver can use cloning or duplication by VIN. This done by the dealer or a licensed locksmith. a compatible programmer and diagnostic equipment required and all previous keys are present.

Lost/stolen Lexus key! What to do?

Lost Lexus TR-47 key

lost key made If you lost all your keys to a Lexus that made before 1998, your vehicle most likely use a TR-47 key with no chip. All you need to do is to go to the dealer or to a locksmith store with the VIN and ask him to make you a new key.

This process is quite simple and should cost less than a 100$ in most cases.

One exception to the above is if the ignition changed and is not in sync with the VIN.

In the second case a locksmith need to replace the ignition again or to make a new key by reading the key grooves inside the ignition cylinder. This procedure is more complex and requires a locksmith with the right machine and experience.

Lost TOY43 keys and ECU reflash

The first years of Lexus transponder based vehicles had no interface to deal with a lost key. Even if the owner left with only a valet key.

* A valet key will start the car, but not the trunk and glove-box.

If all the master-keys are lost, the dealer/factory procedure is to replace the auto main computer (immobilizer module). This will cost around $2,000.00. Since keys are lost and stolen on a daily base, this design proved senseless.

After Lexus got some bad publicity on a multi-national level. The key problem eventually led them to initiates a free computer replacement program. When ever this situation occurs, owner will only pay for labor charges. The solution reduce the price to $1,200.00-$1,500.00 but the program only applies to certain owners.

After losing so many keys and the waste of so much money. A method developed to help vehicle owners save money when this situation occurs.

Specialized technology called ECU reflash now allows certain locksmith technicians to erase the key-data stored in the vehicle immobilizer. Then program new key-data to the car. Okey DoKey Locksmith have the manifold equipment to performs this process.

Lost TOY44 keys

If you lost all your keys to a vehicle that uses TOY44 key, the ECU reprogrammed to accept a new key and reject the old one. This comes as a security measurement guaranteeing the disabling of the old/lost/stolen key.

This reprogramming interface available only to the Lexus dealer or to a licensed locksmith. This means that the car towed to the dealer or a mobile locksmith will have to come out to the site of where the car is at.

My Lexus ignition key wont turn! What to do?

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

How much is a replacement Lexus key?

Service Price
Car Lockout $60-$120
Locked keys in trunk $60-$190
Door lock rekey/repair/change $160-$280
Lost key replacement $120-$200
Duplicate car key $100-$180
Remote/Flip keys $200-$300
Keyless entry device $220-$320
Ignition repair $110-$180
Key extraction $80-$130
Ignition replacement $160-$280
ECU re-flash $225-$285

* 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 car lock smith are working 24/7/365. Ready to handle all your Lexus ignition and locks malfunctions. We usually arrive at customer location fast.

Our truck is comprehensively equipped to the brim with advanced diagnostic, cutting and programming equipage able to restore keys onsite. A key replacement process for a vehicle usually done same day.

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


  2. wikipedia - Smart Access System
  3. Lexus Club - The largest online community dedicated to all things Lexus.
  4. edmunds - American online resource for automotive information.

Related articles/services

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

Lexus Key Replacement Houston Texas Okey DoKey Locksmith

Lexus Key Replacement Houston Texas Okey DoKey Locksmith

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