Renault Keys – How They Work
Renaults have a sophisticated system of keys and immobilisers. This can lead to replacement keys being a long drawn out process. It can take a long time to code the car if you have access to it and bring it to us.
Keys
The Renault group is perhaps best known for its production of vans, buses, Lorries and tractors however they also manufacture cars. It was established in 1899, and is a huge and well-established business with an extensive selection of cars. If you lose your keys to your car or they are damaged, you will require a replacement key fast. Rather than waiting for your local main dealer to purchase a new one for you, only to wait for a longer time to receive it arrive, why not let us take care of it? We can replace your remote or smart key fast by calling KeyNOW.
If you require a Renault Clio V, Captur 2 or New Zoe spare key we can provide you with a mechanical code number to order a new key through the dealer. We can also reset your Renault Kangoo Traffic or Master key.
Renault has a long record of innovation. It was the company that utilized remote central locking on a production vehicle. Paul Lipschultz invented this technology for Niemens the automotive manufacturer of security components. This was a significant leap in the direction of safety for cars.
Remotes
The hands-free cards of Renault are still used extensively in their vehicles despite the fact that smartphones are replacing them. In fact, they’re used in two out of three vehicles Renault sells, and their usage has increased in recent years. In this video, Pascaline of Renault’s products division explains the key components of these cards and how they work.
Renaults have a fairly complicated immobiliser system, which is why it’s important to be aware of the basics prior to trying to unlock your car without keys. Some cars will have an emergency lock that is attached to the passenger door handle which can be used in the event that keys stop working or the batteries are out. This is an excellent option for people who don’t want to pay a locksmith.
You’ll also need to have access to a tool like a pump-up key or a slim jim in order to dismantle the key fob and gain entry. If you don’t have these tools, it could be necessary to utilize a screwdriver or hammer to take the cylinder out.
You should be able to get into the passenger’s side and see a tiny lock in the driver’s compartment next to the handle. This is a safety measure to prevent people from accidentally stealing other vehicles or locking themselves inside their own. This is a simple but efficient security feature that will save you time and hassle when you need to get into your car.
Transponders
Transponders are used on many modern cars to protect against car theft. These tiny devices, that are connected to the key fob have a chip inside and can communicate with the car once it is within range. The chips utilize a code to identify the car and key.
The chip transmits signals that are detected by a pair of coils fitted around the barrels of ignition inside the vehicle. The coils are activated when you turn the key and send an electromagnetic pulse to the chip. The chip responds by sending a unique code to the car. The unique code will be used to unlock doors and start the car.
In World War 2, a similar technology was used to help air traffic control identify military planes on radar. renault card key of chip code is still in use in the aviation industry.
These systems were thought to be clone proof up until recently. This was due to the fact that there were only 74 Quadrillion (74,000,000,000,000,000) possible codes for each transponder. But the technology behind these chips has since been upgraded and they are not completely replica-proof. This has prompted a lot of auto locksmiths to upskill their knowledge by learning how to read, write and program these more advanced chips.
Immobilisers
The Renaults are a bit complicated in the way that they operate when it comes to their immobilisers as well as keys. There are two main mechanisms that affect how the new key is programmed into the car. The older one uses a “kill switch” that connects to one of the essential car’s starter parts to disable it if the correct key isn’t present. These are very delicate and require a skilled technician to detect and fix the issue should they fail.
The latest system is simpler to use. It uses advanced cryptography and rolling security codes to prevent copying the code from the ECU or key. This is the method that will be used on the replacement keys we provide.
Certain models even come with an earpiece that isn’t recognized by standard transponder scanners and is specific to the vehicle. This is very effective at blocking hotwiring, and is very difficult to get rid of with a standard key or a transponder emulator. We have a product dubbed the Renault Antenna Emulator that we can use to bypass this type of immobiliser on Renault Clio phase two models and on some Renault commercial vehicles equipped with ID46 Transponders. It is a replica of a valid key transponder inside the ring antenna. It can be used to replace lost or failed keys without disassembling the ECU. It has been tested and endorsed by Thatcham to provide additional peace of mind for motor insurance customers.
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