10 Unexpected Citroen Dispatch Remote Key Replacement Tips Citroen C3 Key Fob Replacement

If your C3 key fob suddenly stopped functioning it could be due to an issue with the module. If the key fob still functions, it could be due to another issue, such as water damage or a dead battery.

Citroen is aiming to reach the market of mass appeal with its eC3. It comes with a variety of features, including virtual remote diagnosis and a dedicated app for customer service.

Dead coin battery

If the key fob's unlock function isn't functioning, there could be an issue with the coin battery. The battery's lifespan should be between three and four years with regular use. However, it is possible for it to suddenly stop working. Fortunately, most car manufacturers have built-in fail-safes to ensure that you can start and lock your car even if your key fob is dead battery.

The battery in the key fob is normally secured by metal clips that form the circuit. The battery may not be powered if the clips are worn or dirty. The battery should be the correct size and type. The battery will not fit in the fob if it's too large or small.

Key fob batteries are available under various names including CR2016 and CR2032. They cannot be interchanged. Check out the owner's manual or look for a sticker on the fob that has the details.

Once you've got the right battery that you want to replace, it can be done in a matter of seconds. Most fobs have a slider switch, or gap that you can use to break open the cover and exchange the old one for the new one. Ensure that the new battery has the same voltage as the old one and is correctly inserted.

Water damage

Water is harmful to electronics even if they've been through the wash cycle or a dip. It can cause damage to the chip and ruin the battery. There are several things you can do to reduce the damage.

First, it's important to remove the battery and dry out the inside and circuit board as much as possible. You can also employ a cotton swab that has been dipped in 90 percent isopropyl alcohol to clean the battery and the circuit board.

After you have cleaned the key fob, it is recommended to dry it for a few days. You can accelerate the process by placing it on a shelf that won't be disturbed. Once you're sure that it is bone dry, put in a new battery and using it as usual.

If the key fob isn't working, you could have a malfunctioning receiver module that cannot transmit signals to your car. It can be expensive to repair, but worth it if you don't need to replace your car.

The most straightforward way to fix a malfunctioning key fob is to change the battery. Change the battery will bring back the radio signal and make your key fob work once more. If the issue persists you should seek professional assistance.

Receiver module that is defective

In some instances, a defect in the receiver module of the key fob may stop it from receiving or transmitting the proper signals. In this case, the car will not recognize the remote control key. It won't unlock or start. In this situation, a replacement remote control will be needed.

The steps required to reprogram a key fob vary by model and make, so consult your owner's manual before trying to do it yourself. First, make sure that the battery of the key fob is in good working order and that all buttons are functioning. Also, shut the doors and remove any aftermarket devices like alarm systems or radios from the vehicle.

You can also clean the chip with isopropyl or electronic cleaner. If the chip has become fried, you will have to replace it.

After you've cleaned the key fob, you can remove its circuit board. Clean the contacts with alcohol swabs. Let them dry. Once the contacts are dry you can put them back together key fob and test it. If the key fob still doesn't work, it may be necessary to replace the battery. Choose a new battery that has the same voltage level that the original battery. It is recommended to double-check that the battery is placed in the correct position in the first place, since the contact points are very sensitive.

Keyless entry systems that aren't working properly

It can be quite frustrating when the key fob stops working. It's not difficult to get your key fob back running. The most typical cause of a malfunctioning key fob is a dead coin battery that can be replaced in minutes. Other causes include signal interferance, a bad module and other electrical issues.

The first step is to make sure that the battery is properly placed and has the proper voltage. The correct type of battery is also essential. Using a wrongly sized, or polarized one could cause damage to the internal circuitry. Examine the fuses to determine if they are damaged or if they have melt.

The transponder within the key may be damaged or absent. The Keylab will require a further diagnosis by a professional mechanic or car dealer.


Auto locksmiths and dealerships can reprogram the key fob of a car for a small fee, but this can be expensive. It could be worthwhile to reprogram your spare fob, if you have one. In most cases, it is possible to locate the steps in your owner's guide. If you don't have the manual you can find instructions online or on YouTube. It is essential to read the owner's guide before making any repairs on the key fob.