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Reasons Why Your Nissan Qashqai Key Fob Won't Work The Qashqai has a distinct SUV feel due to its larger dimensions. Moreover, the wheel sizes of 19 inches in Ti and ST-L models may be a bit spongy at times. The front tyres may lose grip on rough surfaces, and its CVT could occasionally exhibit wrist-flexing torque steer. This is usually due to an inoperable coin battery, which can be replaced in minutes. Make sure that the new battery is the same voltage, size, and specification. Water Damage Water damage is one of the most frequent causes for an Nissan keyfob to display the “key ID is incorrect” message. The key fob comes with rubber seals that protect the chip inside. However, prolonged exposure to moisture could cause it to stop functioning properly. This is usually the case if you've dropped your key fob into the ocean or in a swimming pools, but it could be the case if it gets wet due to rain or soapy hands. If your key fob was exposed to water over a long period of time and you're not sure, clean it with isopropyl, or an electronic cleaner. Or, it could need to be taken to a specialist for repair or replacement. If your key fob need to be replaced, the procedure is relatively easy. First, ensure that you have an appropriate multipack battery (CR2032 3V). Then, you can open the back and front cases using the small flathead screwdriver. You'll have to remove the retaining clips made of metal and then push out the old battery and put in the new one. After reassembling the fob, put the mechanical key back in place and verify that it works as expected. If not, you'll need to take it to a Nissan dealer or a professional auto locksmith for replacement of the chip in the key. The chip is typically not damaged by water, so it should not be too expensive. Dead Coin Battery The coin battery is another common reason that your Nissan Qashqai remote key fob might not function. These batteries usually last 3-5 years, but they may fail over time, especially if the fob is frequently dropped. You can replace the battery, however, make sure it's the same voltage and same dimensions as the original. If you are using an alternative battery, it could cause the key to have an incorrect key ID which can prevent it from paired with your vehicle. The most effective method of changing the battery of a coin in a Nissan Qashqai Key Fob is to pry it open using a small flat-head screwdriver. The screwdriver should be inserted into a small hole on the bottom of the key fob. The screwdriver should be gently twisted to split the two halves. Remove the old CR2025 battery and replace it with a new one, observing the position of the old one in the fob. Examine the terminals for water damage or dirt before installing the new battery. If there is, clean the terminals with a tiny amount of isopropyl alcohol. You'll also want to ensure that the pole cables are connected correctly – they should be connected to the positive and negative poles of the battery respectively. Troubleshooting If your Nissan Qashqai's key fob isn't working after exposure to water that is clean from a tap or rain, this could indicate that there's a problem with the internal chip. Changing the battery won't fix the issue, and you'll need to purchase an entirely new key fob. If you dropped the key fob on the ground and it stopped working instantly it is likely because it has damaged the internal chip. You can usually get the key fob back to work once again if it is removed and clean the chip using paper towel and isopropyl alcohol and then insert it back in. Key ID Incorrect is a typical error you may see on the dashboard of your vehicle. This means that the car cannot recognize the key fob and not allow it to start the engine. The problem can be caused by many things such as water damage, undetectable issues in the key fob's circuitry or RFID interference. If the 12 volt battery in your key fob is inactive or is not supplying enough electrical current, it will stop working. This can affect your Nissan Qashqai's keyless system, central locking and the capability to start the engine using the key fob. If you're unable unlock or lock the door by hand, you should check the batteries on your key fob to be sure they're in good condition. You could also try reconnecting the battery in order to reset your transmitter. Reprogramming If nissan spare key was not submerged in saltwater the device should be able to return to life with a simple wash of clean water. You might also try cleaning your electronic chip using isopropyl Alcohol or an electronic cleaner. If none of these works it is possible to replace the key fob. If your Nissan Intelligent Key still does not function, there may be a problem with the connection between it and your vehicle. Start by pressing the ignition key, but without beginning the car. Continue doing this until the hazard light flashes twice. Then, turn the car off and take the keys out. Open the fob compartment of your vehicle's fob compartment. It's usually located in a door jamb on the driver's side door handle or underneath an armrest. Find the small “program” button and press it. You should hear a chime sound once the process is complete. It's time to test your Intelligent Key to the test. Set your feet a distance from the vehicle and hit all the buttons on it. If the lights flash, or the horn sounds, then the key is connected to the Nissan. It is also possible to test it close to the Nissan.