Renault Keys – How They Work

Renaults have a sophisticated system for immobilisers as well as keys. This can lead to replacement keys being a long drawn out process. It could take a lengthy time to program the car, unless you have access to it and can bring it to us.


The Renault Group is known for its buses, vans and tractors, however they also make cars. It was established in 1899, and is a huge and well-established company that offers an extensive range of cars. You’ll need a new key if you are unable to locate or damage your car keys. Instead of waiting for your local dealer to order a replacement key for you and wait for even longer to see it arrive, why don’t you let us do it? At KeyNOW we can replace your remote or smart key for you quickly.

We can provide a mechanical code for ordering a Renault Clio V spare key, Captur 2 spare key or New Zoe key from the dealer. We can also reset the Renault Kangoo, Traffic or Master key.

Renault has a long and rich history of innovation. It was the first company to utilize remote central locking in a production vehicle. The technology was developed by Paul Lipschultz for his employer Niemens, a supplier of security components to the automotive industry. This was a major leap for car safety.


Hands-free cards from Renault are still widely used in their vehicles despite the fact smartphones appear to be replacing them. In fact, two out of three Renault vehicles are equipped with hands-free cards. The use of these cards has increased in recent years. In this video, Pascaline of Renault’s products division discusses the primary components of these cards and how they function.

Renaults have an immobiliser system that is quite complex. It is essential to know the basics prior to trying to unlock your car without the use of a key. Some cars have an emergency lock that is located on the handle for the passenger door that can be utilized in the event of a key failure or a battery failure. This is a great option for those who don’t wish to pay for a locksmith.

You’ll need a tool, such as a slim jim or a pump-up in order to remove the key fob. If you don’t own these tools, you might have to use a screwdriver and hammer to take off the key fob.

You should be able to walk into the passenger side of the door and see a small lock inserted into the side panel of the driver next to the door handle. This is a safety measure to keep people from locking themselves inside their car or accidentally stealing a neighbor’s. It’s a simple but effective security measure that can save you a lot of time and hassle when you have to get into your vehicle quickly.


Many modern cars use transponders to stop theft of cars. These tiny devices, that are attached to the key fob, contain a chip and communicate with the car once it is within range. These chips utilize a number to identify the car and key.

The chip transmits an electrical signal to two coils that are fitted around the ignition barrel of the vehicle. renault car key are activated by the key and send a pulse electromagnetic energy to the chip. The chip responds by sending a unique identifier to the car. The unique code will be used to unlock doors and start the car.

During World War 2, a similar technology was employed to aid air traffic control detect military planes on radar. This type of chip messaging is still utilized today in the aviation industry.

For a long time the systems were thought to be unclone-proof. This was due to the fact that there were only 74 Quadrillion (74,000,000,000,000,000) possible codes for each transponder. However, the technology behind these chips has been improved and they are no longer completely duplicate-proof. This has led many auto locksmiths upgrade their skills by learning how to read, program and write these newer types.


The Renaults are very complex in how they operate when it comes to their immobilisers and keys. There are two methods in use that affect the way a replacement key will be programmed to the car. The older system utilizes an “kill switch” that connects to one of the important car’s starting components in order to turn it off if the correct key isn’t present. These are extremely delicate and require a trained technician to correctly identify and fix the issue if they fail.

The newer system is easier to use. It uses advanced cryptography and rolling security codes to avoid copying the code from the ECU or key. This is the code that will be used to replace keys that we supply.

Some models will even use a special ring antenna that isn’t detected by transponder scanners. It is also unique to the vehicle. This is extremely effective in keeping hotwiring off and is extremely difficult to bypass with a standard key or an emulator for transponders. We have a specific product called the Renault Antenna Emulator (RAE) that can be used to disable this type of immobiliser in Renault Clio phase 2 models as well as some Renault commercial vehicles fitted with ID46 transponders. It emulates the operation of a valid key transponder within the ring antenna. It can be used to replace damaged or lost keys without having to disassemble the ECU. It has been tested and endorsed by Thatcham to offer additional assurance to motor insurance customers.

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