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Renault Car Key Replacement: 11 Thing You’re Leaving Out

Renault Master Key Replacement

Renaults have a complicated system as far as the keys and locks for the immobiliser are concerned. Without getting into too much technical detail, there are two major systems that impact the way the replacement key is required to be programmed.

Most people think that the only way to buy a new car is to visit an auto dealer. However this can be lengthy and up to 50% more costly. We can offer you an alternative.


Renault has a variety of different systems available in relation to their keys and immobilisers. Early models (pre-2000) make use of a key which must be inserted into the door lock, and then hit to start your vehicle. This can make it difficult to code replacement keys. The newer models starting in 2000 will come with a transponder key that can be programmed into the car with laptop software using its diagnostic socket.

Key cards

Renault key cards are different from traditional keys, but they function the same. They can be inserted into the dash card reader to open the car and start it. This type of key has an embedded transponder that allows it to identify a specific vehicle. A Dublin locksmith can design an Renault key or card replacement. This will save you from any hassle in the event that the original key is damaged or lost.

Renault key cards can be damaged by everyday use. The switch buttons on the inside could break or lose their function due to a knock or normal wear and tear. If you find that your Renault key card is not opening in the car, or there is a rattling sound coming from it, then it is time to call a professional locksmith. Locksmiths have the right equipment and expertise to make an entirely new Renault key card. They are also cheaper than dealerships.

It can be very frustrating to lose your Renault key, particularly when you are the only one who has it! Many people think the only option is to visit an Renault dealer but this could be time-consuming. Renault dealers have to purchase the replacement key from their headquarters in France which can take a week or more to arrive. If you contact an locksmith they can cut and program the replacement Renault key on the same day you contact them.

Keys that have a chip transponder

You may have a Renault made in the past 20 years that has a key that has an embedded transponder chip. These little mini-circuits help keep your car safe from theft since they only allow the car to begin to start when the correct code is sent to it.

The chips are powered by a tiny battery that can fail over time. This can lead to keys not working. It is important to replace your Renault keys to your car immediately if you spot any issues. Beishir Lock and Security carry a wide range of these kinds of keys, and at only a fraction of the cost of the dealer, so you won’t have to spend a fortune.

A replacement key can be purchased at the dealership. However it is a long procedure that will stop you from driving. A locksmith can reprogram your key and give you the new one for the lower cost. They utilize laptops to connect to the car’s computer and program the chip, which is usually more efficient and less expensive alternative.

Some older Renaults have an additional key card that is placed into a dash-panel reader to start the vehicle. These cards are more difficult to replace, however they work.

Replacement keys

Renault cars have a fairly complicated system as far as anti-theft locks and keys are concerned. Without getting into too much technical detail, there are two broad systems that affect how a replacement key can be programmed. Early models (usually up to 2000) work with a key that can’t be programmed into the car by simply plugging in a tester and pressing a button. These will require removal of what’s not an Eeprom chip from the anti-theft system and use of professional tools and software to write new key information into the car, allowing it to start.

The more recent Renaults, such as the Megane, Clio, and Laguna have more modern systems that uses a key card. These are quite different to normal keys made of metal and are slotted into a special dashboard panel card reader to open the doors and start the engine. A qualified locksmith can easily replace these keys at just a fraction of what you’d pay at an auto dealer.

Australian consumer advocates Choice recently surveyed 22 dealerships about the average cost to replace one car key. Their findings were not very positive. renault keys weren’t great.

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