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Reasons Why Your Nissan Qashqai Key Fob Won't Work The Qashqai's large dimensions give it a distinct SUV-like feel. Its ride on 19-inch alloy wheels in Ti and STL models may also be a bit firm. The front tyres on the Qashqai could also lose traction on rough surfaces, and its CVT can sometimes show wrist-flexing torque steering. It is usually due to a dead battery, which can be replaced in just a few minutes. Make sure the replacement battery has the same voltage, size, and specification. Water Damage One of the main reasons why a Nissan key fob will give the “key ID is incorrect” message is due to water damage. The key fob has rubber seals that shield the electronic chip inside, but prolonged exposure to moisture can cause it not to function properly. It's typical to observe this if your keyfob has been dropped into the ocean or in a pool. However, it can occur when it is wet from rain or soapy hands. If your key fob has been exposed to water for a prolonged period of time, it could need to be cleaned with isopropyl alcohol or an electronic cleaner. It might also need to be taken to a professional to be repaired or replaced. If your key fob requires to be replaced, it's an easy process. Make sure you have the right multipack (CR2032, 3V). The front and rear cases using the flat-head screwdriver. You'll have to remove the clips for retaining metal and then push out the old battery and replace it with the new one. After reassembling your fob, put the mechanical key back into place and check that it works as expected. If it doesn't, you'll need to take it to an Nissan dealer or professional auto locksmith to replace the chip. The chip is typically not damaged by water so it shouldn't be too expensive. Dead Coin Battery The coin battery is a second common reason that your Nissan Qashqai remote key fob might not work. These batteries last 3 to 5 years, but they will eventually fail when the fob is frequentedly dropped. You can replace the battery however, make sure it's the same voltage and the same size as the previous. If you choose to use an alternative battery, it could cause the key to have an untrue key ID, which could prevent it from paired with your vehicle. The best way to change the battery of a coin in the Nissan Qashqai Key Fob is to pry it open with a small flat-head screwdriver. Insert the screwdriver into an angled notch on the bottom of the fob, and move it around to separate the two halves of the key fob. Remove the old CR2025 battery and replace it with a brand new one, noting the position of the old one in the fob. Check the terminals for dirt or water damage prior to installing the new battery. If there is, wash the terminals with a tiny amount of isopropyl alcohol. Make sure that the pole cables are properly connected. They should be connected both the negative and the positive poles of your battery. Diagnostics of a fault If your Nissan Qashqai's keys fob doesn't function after being exposed to pure rainwater or clean tap water, this could be a sign that there's an issue with the internal chip. You'll require a new fob if you can't resolve the issue by replacing the battery. If the key fob didn't work after dropping it, it is likely that the chip inside was damaged. It is usually possible to get the key fob back to work again if you remove and clean the chip with paper towel and isopropyl alcohol and then put it back into. Key ID Incorrect is a common error that you can see on the dashboard of your car. This means that the car is unable to recognize the key fob and will not allow it to start the engine. This problem can be caused several ways, such as water damage, problems that are undetectable within the key fob circuitry or RFID interference. The key fob will stop working in the event that the 12 volt batteries are dead or fail to provide enough electrical current. This can affect the remote keyless system as well as central locking of your Nissan Qashqai, as well as making it impossible to start your engine using the key fob (if equipped with Intelligent Key). Check the batteries in the key fob if you are not able to lock or unlock your door manually. You could also try reconnecting the battery in order to reset your transmitter. Reprogramming Unless the key fob has been submerged in salt water the key fob should be able to be restored to its original state after a simple rinse with clean water. You can also clean the electronic component using isopropyl or electronic cleaner. If none of these work, you may have to replace the key fob. If your Nissan Intelligent Key still does not function, there could be a connection problem between it and the vehicle. Start by turning the ignition switch without activating the vehicle. Continue this process until you see the hazards lights flash twice. Turn off the vehicle and take off the key. Open the fob compartment in your vehicle. nissan replacement keys is usually located on a door jamb, or the handle for the driver's door. Find the small button marked “program” and press it. You should hear a chime sound after the process has been completed. It's time to put your Intelligent Key to the test. Press all the buttons on the key while you are at a distance away from the car. If the lights flash and the horn sound, it means that the key has successfully connected to the Nissan. You can also test it close to the Nissan.