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Reasons Why Your Nissan Qashqai Key Fob Won't Work The Qashqai's large dimensions give it a distinct SUV feel. Its 19-inch alloy wheels on Ti and STL versions can also be firm. Its front tyres can also lose grip on rough surfaces and its CVT can occasionally display wrist-flexing torque steer. This is usually the result of a dead battery, which can be replaced in a matter of minutes. Make sure the battery you replace is of the same size, voltage and specification. Water Damage One of the most common reasons why a Nissan key fob displays the “key ID is not correct” message is due to water damage. The key fob has rubber seals which protect the chip inside, but prolonged exposure to moisture can cause it to cease functioning properly. This is often the case when you drop your key fob into the ocean or into a swimming pool, but it can happen when it's wet due to soapy hands or rain. If your key fob is exposed to water for an extended duration, it might have to be cleaned with isopropyl alcohol or an electronic cleaner. Alternatively, it might need to be taken to an expert to repair or replace it. If your key fob require replacement the process is easy. Make sure you have the correct multipack (CR2032 3V). Then, you can open the front and back cases using the small flathead screwdriver. It is necessary to remove the metal retaining clips and then push out the old battery and replace it with the new one. After reassembling your fob, put the mechanical key back in its place and make sure it functions as intended. If it doesn't, you'll need to take it to a Nissan dealer or professional auto locksmith for replacement of the chip. The chip is not usually damaged by water so it shouldn't be too expensive. Dead Coin Battery The coin battery is another common reason why your Nissan Qashqai remote key fob may not work. The batteries typically last between 3-5 years, but they may fail with time, particularly if the fob is dropped frequently. You can replace the battery, but be sure to use the same voltage and same dimensions as the original. If you use a new battery, it could cause the key to be assigned an incorrect key ID. This can prevent it from being linked to your vehicle. The most effective method of changing the battery on a Nissan Qashqai Key Fob is to pry it open using a small flat-head screwdriver. In the screwdriver, push it into a small notch on the bottom of the fob, and turn it around gently to separate the two halves of the key fob. Then, take out the old CR2025 button cell battery and replace it with the new one after confirming its position on the fob. Examine the terminals to see if there is water damage or dirt before installing the new battery. If there is, clean the terminals with a small amount of isopropyl alcohol. Also, make sure the pole cables are connected correctly. They should be connected to the positive and negative poles of the battery. Troubleshooting If your Nissan Qashqai key fob stops working after exposure to pure rain or tap water it could be a sign of a chip issue inside. The battery replacement won't fix this, and you'll need to purchase an entirely new key fob. If the key fob stopped working after you dropped it, it is likely that the chip inside was damaged. If you clean the chip using isopropyl alcohol and paper towel and then replace it with the key fob, it is possible to generally get it working. Key ID Incorrect is a typical error that can be seen on the dashboard of your car. The car is unable to recognize the key fob which is why it won't allow the car to start. The problem can be caused by many things like water damage, undetectable malfunctions in the key fob's circuitry or RFID interference. The key fob won't work when the 12 volt batteries are dead or don't provide sufficient electric current. This can affect the remote keyless system and central locking on your Nissan Qashqai, as well as preventing you from starting the engine using the key fob (if equipped with Intelligent Key). If nissan smart key replacement unlock or lock the door by hand, you should check the batteries on your key fob to be sure they're in good shape. You can also try replacing the battery to reset your transmitter. Reprogramming If the key fob has not been submerged in salt water and is unable to be revived after a quick rinse with clean water. You might also try cleaning your electronic chip using isopropyl Alcohol or an electronic cleaner. If these methods don't work then it might be time to replace the entire key fob by a new one. If your Nissan Intelligent Key still does not function, there could be a connection issue between it and your vehicle. To reconnect it, begin by turning the key in the ignition, but not starting the car. Keep doing this until you see the hazard lights flash twice. Turn off the vehicle and remove the key. Next, open the fob compartment of your vehicle. It's usually found on a door jamb, or the handle for the driver's door. Find the small “program” button and press it. When the process is complete you will hear an emitted sound. It's time to put your Intelligent Key to the test. Make sure you press all the buttons on the key while you are at a distance away from the car. If the lights flash or the horn sounds, then the key is successfully connected to the Nissan. You can also test it close to the Nissan.