Peugeot 3008 Key Fob Problems
Peugeot's mid-sized 3008 SUV has lot of positives. It looks smart, drives well, and has a large boot. Can it compete in the most crowded segment of the market perhaps?

If your Peugeot key fob is not working, it may have been exposed to clean tap water or soapy water. You may need to take off the battery and clean it with isopropyl alcohol or electronic cleaner.
Dead coin battery
Peugeot key fobs include a small coin battery that powers their remote locking and other features. This battery has a finite lifespan and can be worn out after a long period of use. An easy way to determine whether the battery is faulty is to conduct an examination of voltage. Multimeters are used to measure voltage between the poles that are plus and minus of the battery. The results of this test will tell you whether the battery is dead or not.
The receiver module may be the reason why your key fobs not working after you've used your Peugeot 3008 for a long period of time. The receiver module is responsible for receiving radio frequency signals from the key fobs and transferring signals to the car's systems. If the receiver module has issues, it will not be able to send commands to other modules in the car.
Sweat or moisture on the circuit board is another common cause of an unworking key fob. This can result in short circuits which drain the battery and disable the remote locking feature of the key fob. If this is the case you need to take your key fob in to a chip level technician to fix it.
Water damage
If you dropped your key fob into the pool, tossed it in the wash or even left it in the rain for too long, water damage could be a major issue. Water is a fantastic conductor, and can easily damage the components of the circuit board. It can also cause corrosion to metal lines on the key fob as well as other components. A wet circuit can also cause a battery to lose its charge.
If you have an extra key fob, try using it to unlock or lock your Peugeot 3008 to eliminate the possibility that a dead coin battery is the cause of the problem. Another issue that could stop the key fob from operating properly is interference signals that interfere with the signal transmitted to the receiver module. These signals could come from a wide range of things, including nearby radio transmitters.
If you notice sloshing sounds coming from inside your Peugeot 3008 when driving, it's most likely due to a blocked condensate drain of the evaporator. You can test for this by finding the drain holes under your door and blowing compressed air in the drain holes. You can also use a flexible wire to wiggle the drain holes and clear any dirt that has built up there. The sound of sloshing could also indicate that there are air pockets in the cooling system.
Receiver module that is defective
The receiver module of the receiver module of a Peugeot 3008 is responsible for transmitting the remote keyless signal from the keyfob to a receiver inside the car. If peugeot 307 key fob G28CarKeys is damaged, it may prevent the car from recognizing the key fob. This issue can also be caused by the battery being dead or water damage. Or, interference from electronic devices operating on the same frequency. In these situations, the car may show a message that says "card not detected" on the display.
There are a variety of ways to troubleshoot this issue. You might try replacing the battery or reprogramming your key fob. You can also start the car with a spare. However, if the key fob doesn't work after these steps, it might have a chip that is defective.
It is best to take out the chip and clean it using rubbing alcohol and paper towel. If the chip has gone bad then you should purchase an entirely new one. FB Series enclosures are designed for key fobs and come with a coin battery holder for cell batteries that fits the most common types of key fob batteries. These enclosures are customizable by using digital printing or CNC-machined cutouts. If your key fob has been exposed to dirty or salty tap water, the chip may be contaminated and requires to be cleaned.
Keyless entry system malfunctions
If you see "card not detected", this indicates that your vehicle cannot receive a signal sent by your key fob. This could be caused by a variety of reasons like a dead or weak battery. The issue is usually resolved by pressing the start button on the key fob. In certain cases, you might need to take the keyfob to an Peugeot dealer for repairs.
Checking the battery is the first step to troubleshooting an Peugeot 3008 keyfob which doesn't lock or unlock doors. Batteries are the primary reason for a fob that is malfunctioning however, there are other causes that can cause this issue as well. This includes worn buttons, water damage, receiver module issues, and signal interference.
If you've recently had your Peugeot key fob exposed to clean tap water, it's a good idea to remove the battery and dry the electronic components using paper towel. You can also try isopropyl alcohol or a cleaner to accomplish this. It's best to change the fob if it has been exposed salt water or soapy water.
If your key fob doesn't work you can reset it by removing the battery that is 12 volts for 15 minutes. Connect the negative cable and then the positive cable.