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Reasons Why Your Nissan Qashqai Key Fob Won't Work The Qashqai has a distinctly SUV-like feel due to its larger dimensions. Additionally, the 19-inch wheels on Ti and ST-L models can be firm at times. Its front tyres can also lose grip on rough surfaces and its CVT might occasionally exhibit wrist-flexing torque steer. This is generally caused by an unresponsive coin battery that can be repaired in a matter of minutes. Make sure that the replacement battery is the same size, voltage and specifications. Water Damage One of the most frequent reasons that a Nissan key fob might display the “key ID incorrect” message is due to water damage. The key fob has rubber seals that protect the electronic chip inside, but long-term exposure to moisture can cause it not to function properly. This is often the case in the event that you've dropped your key fob in the ocean or into a swimming pool, but it can occur if it becomes wet from soapy hands or rain. If your key fob is exposed to water for a lengthy period of time, it could need to be cleaned using isopropyl alcohol, or electronic cleaner. It could also require to be sent to an expert for repair or replacement. If your key fob does require replacement the process is easy. Make sure you have the proper multipack (CR2032, 3V). Then, open the back and front cases with a small flathead screwdriver. You'll need to take out the retaining clips made of metal and then push out the old battery, then replace it with the new one. After reassembling the fob, put the mechanical key back in place and verify that it operates correctly. If it isn't, you will need to take it to a local Nissan dealer or an experienced auto locksmith to repair the chip that controls the key. The chip is not usually damaged by water and therefore isn't too costly. Dead Coin Battery The coin battery is another frequent reason why your Nissan Qashqai remote key fob may not work. The batteries typically last for 3-5 years, but they are susceptible to becoming depleted over time, especially if the fob is dropped frequently. It is possible to replace the battery with a new one, but be sure that it's the same size and voltage as the original. If you choose to use a brand new battery, it could cause the key to be assigned an incorrect key ID. This could prevent it from being linked to your vehicle. The most efficient method of replacing the coin battery on a Nissan Qashqai key fob is by prying open the key fob using the small screwdriver with a flat-head. Insert the screwdriver into a small notch at the bottom of the fob and twist it gently to split the two halves of the key fob. Then, remove the old CR2025 button cell battery and insert the new one after confirming its location on the fob. Check the terminals for any water damage or dirt before installing the new battery. If there is clean the terminals using a small amount isopropyl ethanol. You'll also need to make sure the pole cables are connected correctly. They must be connected to the negative and positive poles of the battery. Troubleshooting If your Nissan Qashqai's key fob doesn't function after exposure to pure rainwater or clean tap water, this could be a sign that there is a problem with the internal chip. how do you reprogram a nissan key fob push start 'll need a new keyfob if you are unable to fix the issue by changing the battery. If the key fob didn't work after you dropped it, it is likely that the chip inside was damaged. It is possible to get the key fob back to function once more if you remove and clean the chip using alcohol and paper towels before putting it back in. Key ID Incorrect is a common error that can be seen on the dashboard of your car. The vehicle is not able to recognize the key fob and consequently, won't allow the vehicle to start. This issue can be caused by numerous ways, including water damage, issues that are undetectable in the key fob circuitry or RFID interference. The key fob won't work in the event that the 12 volt batteries are dead or do not provide enough electric current. This could affect the Nissan Qashqai's keyless system, central locking and the capability to start the engine with the key fob. If you're unable unlock or lock the door by hand you must check the batteries on your key fob and make sure they're in good shape. You may also try reinserting the battery to reset the transmitter. Reprogramming If the key fob was not submerged into saltwater, it should be able be revived with a simple wash of clean water. You can also clean the electronic component using isopropyl or electronic cleaner. If none of these work it is possible to replace the key fob. If your Nissan Intelligent Key is still not working, it could be a problem with the connection between it and the car. Start by turning the ignition switch without starting the vehicle. Continue to do this until the hazard light flashes twice. Turn off the vehicle and remove the key. Open the fob compartment in your vehicle's fob compartment. It's usually found on a door jamb or the handle of the door for the driver. Find the button that says “program” and press it. Once the process is completed you will hear a chime. It's time to put your Intelligent Key to the test. You must stand a certain distance away from the vehicle and press all the buttons on the key. If the lights flash or the horn sounds, the key is successfully connected to the Nissan. You can also test it near the Nissan.