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Reasons Why Your Nissan Qashqai Key Fob Won't Work The Qashqai's larger dimensions give it a distinct SUV feel. Its ride on 19-inch alloy wheels in Ti and STL versions may also be a bit firm. The front tyres of the Qashqai could also lose grip on rough surfaces, and the CVT could occasionally show wrist-flexing torque steering. It is usually caused by the battery of a coin that is dead. It can be easily replaced in a matter of minutes. Make sure the replacement battery is of the same voltage, size and specifications. Water Damage One of the most common reasons that a Nissan key fob displays the “key ID is not correct” message is due to water damage. The key fob comes with rubber seals that protect the chip inside, but prolonged exposure to moisture can cause it not to function properly. This is usually the case when you drop your key fob in the ocean or a swimming in a pool, but it can happen when it's wet from rain or soapy hands. If your key fob has been exposed to water for a lengthy period of time, it could need to be cleaned with isopropyl ethanol or electronic cleaner. It might also need to be sent to an expert to be repaired or replaced. If your key fob needs to be replaced, it is quite simple to do. First, make sure that you have an appropriate multipack battery (CR2032 3V). Then open the back and front cases using the help of a small screwdriver. You'll need to take out the retaining clips made of metal and remove the old battery, and then put in the new one. Reassemble the fob and replace the mechanical key. Verify that it is working properly. If it isn't then you'll need to take it to a Nissan dealer or a professional auto locksmith for the replacement of the chip. Fortunately, the chip is not normally damaged by exposure to water and this shouldn't be too expensive. Dead Coin Battery Another reason that your Nissan Qashqai key fob may not work is that the coin battery has gone dead. The batteries typically last for 3-5 years but can go bad with time, particularly if the fob is dropped frequently. You can replace the battery with a fresh one, but make sure that it's the same voltage and size as the original. If you're using an alternative battery, it could cause the key to have an untrue key ID, which can prevent it from connecting to your vehicle. The most effective method of changing the battery on a Nissan Qashqai Key Fob is to pry it open with an small screwdriver that has a flat head. Insert the screwdriver into a small notch at the bottom of the fob, and turn it around gently to separate the two parts of the key fob. Then, take out the old CR2025 button cell battery and replace it with an alternative one after taking note of its location in the fob. Before putting the new battery into place check to ensure there is no dirt or water damage on the terminals. 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 negative and positive poles of the battery. Troubleshooting If your Nissan Qashqai's main fob doesn't function after exposure to water that is clean from a tap or rain it could be a sign that there's an issue with the internal chip. You'll need a new keyfob in the event that you can't solve the issue by changing the battery. If you dropped the key fob on the ground and it stopped working instantly it's most likely due to the damage to the internal chip. It is possible to get the key fob back to function once more if you remove and clean the chip with alcohol and paper towels and then insert it back into. Key ID Incorrect is a common error you may see on the dashboard of your vehicle. The vehicle is not able to recognize the key fob, which is why it won't allow the vehicle to start. This issue can be caused by many different ways, including water damage, malfunctions that are not detectable in the key fob's circuitry or RFID interference. If the battery that powers 12 volts in your key fob empty or isn't supplying enough electric current it will cease to function. This can affect the remote keyless system and central locking of your Nissan Qashqai, as well as stopping you from starting the engine with the key fob (if equipped with Intelligent Key). If you're unable to unlock or lock the door by hand it is recommended to check the batteries on your key fob and make sure they are in good condition. You may also try reinstalling the battery to reset your transmitter. Reprogramming If the key fob had not been submerged in salt water the key fob should be able to be restored to its original state after a quick wash with clean water. You can also clean the electronic component using isopropyl or electronic cleaner. If these methods don't work it could be time to replace the entire key fob with a brand new one. If your Nissan Intelligent Key still does not function, there could be a connection problem between it and the vehicle. To reconnect it, begin by turning the key into the ignition, but not starting the car. Continue this process until you see the danger lights flash twice. Turn off your vehicle and remove the key. Then, then open the fob compartment in your vehicle. It is typically located in the door jamb, on the handle on the driver's side, or under an armrest. Locate the small button labeled “program” and press it. You should hear a chime once the process is complete. It's time to test your Intelligent Key to the test. You must stand a certain distance away from the vehicle, then press all the buttons on the key. If the lights flash and the horn beeps it means the key is successfully linked to the Nissan. thekeylab.co.uk is also possible to test it close to the Nissan.