A Guide To Citroen Dispatch Remote Key Replacement From Beginning To End Citroen C3 Key Fob Replacement

If your C3's key fob stops suddenly it could be due to a faulty receiver module. If G28 Car Keys could be because of other issues, such as water damage or a dead battery.

Citroen aims to serve the market of mass appeal with its eC3. It comes with a variety of features, including virtual remote diagnosis and an app specifically for customer service.

Dead coin battery

If the key fob's unlock button is not working, there may be a problem with the battery of the coin. The battery is expected to last between three and four years if used regularly but it can fail suddenly. The car manufacturers have designed fail-safes that allow you to lock and start your car even if your key fob is dead.

The battery in the key fob is held in place by metal clips that form the circuit. If the clips are worn or filthy, the battery might not receive power. The battery should be of the correct size and type. If the battery is not big enough or large it will not fit in the fob and will not work properly.

Key fob batteries are often sold under various names, including CR2016 and CR2032 (though these are not interchangeable). The best way to determine the type to buy is to refer to your owner's manual or look over the fob for the label that provides the exact information.

Once you've got the right battery, it can be replaced 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. Make sure the new battery is the same voltage and is inserted in the correct orientation.

Water damage

Water is bad for electronics even if they've survived washing cycles or a dip. It can harm the chip, and even destroy a battery. There are a few things you can do to reduce the risk of damage.

It's crucial to first eliminate the battery, and then dry the inside as possible. You can also clean the battery by using a cotton swab, which is dipped in 90 percent alcohol.

After cleaning the key fob you should let it dry for several days. You can speed this process up by placing it on a shelf so it isn't disturbed. After you've confirmed that it is bone dry, put in a new battery and running it as normal.


If your key fob is still not working it could be because the receiver module in your car is defective and isn't able to transmit signals. It can be costly to repair, but it's well worth trying to avoid having to buy a new one.

The easiest way to fix an faulty key fob is to replace the battery. The radio signal will be restored and your key fob should function again after replacing the battery. If the issue persists, you should seek professional help.

A malfunctioning receiver module

In certain situations the key fob's transmitter module may have a defect that prevents it from receiving and transmitting the proper signal. In this scenario the car won't recognize the remote control key. It won't unlock or start. In this scenario the replacement remote control will be required.

Consult your owner's guide before attempting to program the key fob yourself. Check that the battery on the key fob is in good health and that the buttons are working. Also, shut the doors and remove any aftermarket devices like radios or alarm systems from the vehicle.

You can also clean the chip with isopropyl or electronic cleaner. If the chip has been damaged, you'll need to replace it.

After you've cleaned your key fob, you can remove its circuit board. Then, use alcohol swabs to clean the contacts and let them air dry. Once the contacts are dry, you can reassemble and test the key fob. If it still doesn't work you may have to replace the battery. Make sure you choose an alternative battery that is able to provide the same voltage as the older one. It's also a good idea to ensure that the battery is in place, as the contact points are extremely sensitive.

Keyless entry systems with malfunctions

It can be quite frustrating when the key fob stops functioning. The good news is that the majority times, it's easy to get it back in operation. A dead battery for the coin is the most frequent reason for a fob that is malfunctioning. It can be repaired in just a few minutes. Other causes are signal interference, a bad receiver module or other electrical issues.

The first thing to do is to make sure that the battery is of the correct voltage and is correctly installed. It is also important to select the correct battery type. The internal circuitry of the device can be damaged when you use a battery that is not the right size or the correct polarized. Examine the fuses to determine if they are damaged or melted.

Another possibility is that the transponder in the key might have been damaged or even lost. This is a scenario that will require further diagnostics by a dealer in the car or a professional mechanic.

A lot of auto locksmiths and dealerships can reprogram the fob of your car's keys for a fee, but this can be costly. If you have a spare, it could be worthwhile to try reprogramming the fob yourself. The instructions are usually found in the owner's manual. If you don't have a manual, you can look up instructions online or on YouTube. It is imperative to check the owner's manual prior attempting any repairs to the key fob.