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Reasons Why Your Nissan Qashqai Key Fob Won't Work The Qashqai has a distinct SUV-like feel due to its larger dimensions. Moreover, the 19-inch wheels on Ti and ST-L models can be firm at times. The front tyres of the Qashqai can lose grip on rough surfaces and its CVT could occasionally exhibit wrist-flexing torque steer. This is typically caused by a dead battery that can be replaced in just a few minutes. Make sure that the new battery has the same voltage, size, and specification. Water Damage Water damage is among the most common causes for an Nissan keyfob to display the “key ID wrong” message. The rubber seals on the key fob guard the chip's electronic components, however prolonged exposure to moisture can cause it to malfunction effectively. This is typically the case in the event that you've dropped your key fob in the ocean or a pool in a pool, but it can be the case if it gets 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 using isopropyl alcohol or electronic cleaner. Or, it could require taking to a specialist for repair or replacement. If your key fob has to be replaced, it is quite simple to do. First, make sure that you have a multipack of the correct battery (CR2032 3V). Then open the back and front cases with the help of a small screwdriver. You'll have to remove the clips for retaining metal and push out the old battery and replace it with the new one. Reassemble the fob and replace the mechanical key. Check that it works correctly. If it isn't then you'll have to go to your local Nissan dealer or an expert auto locksmith to replace the key chip. Fortunately, the chip is not often damaged by water exposure, so this should not be a huge expense. Dead Coin Battery The coin battery is another frequent reason why your Nissan Qashqai remote key fob might not work. The batteries typically last for 3-5 years, but they are susceptible to becoming depleted in time, particularly when the fob is dropped frequently. You could replace the battery but be sure to use the same voltage and same size as the first. If you are using a different battery it may cause the key to have an untrue key ID, which can prevent it from paired with your vehicle. The best method to replace the battery inside the Nissan Qashqai Key Fob is to open it with the help of a small screwdriver with a flat head. The screwdriver should be inserted into a small notch at the bottom of the fob, and twist it gently to split the two halves of the key fob. Remove the old CR2025 battery and replace it with a brand new one, observing the position of the old one within the fob. Before putting the new battery into place check to ensure there is no dirt or water damage to the terminals. If not clean the terminals using some isopropyl ethanol. Make sure that the pole cables are connected correctly. They must be connected to the positive and negative poles of your battery. Diagnostics of a fault If your Nissan Qashqai's keys fob isn't working after exposure to pure rainwater or clean tap water, this could indicate that there's an issue with the internal chip. Change the battery won't fix the issue, and you'll need to buy an entirely new key fob. If you dropped the key fob on the ground and it stopped working right away it is likely due to the damage to the internal chip. If you clean the chip with isopropylethanol and paper towels and then replace it with the key fob, it is possible to generally get it working. Key ID Incorrect is a typical error that you can see on the dashboard of your car. This means that the car cannot recognize the key fob and not allow it to start the engine. The problem can be caused by a variety of things like water damage, undetectable problems in the circuitry of the key fob or RFID interference. The key fob will not function if the 12 volt batteries are dead or fail to provide enough electric current. nissan smart key replacement can affect your Nissan Qashqai's remote keyless system, central locking and the ability to start the engine using the key fob. Check the batteries inside the key fob in case you are not able to lock or unlock your door by hand. You could also try reconnecting the battery in order to reset your transmitter. Reprogramming If the key fob was not submerged in saltwater the device should be able to come back to life with a simple wash of clean water. You may also try cleaning the electronic chip with isopropyl alcohol or an electronic cleaner. If these methods don't work then it might be time to replace the entire key fob with a brand new one. If your Nissan Intelligent Key is still not working, there could be a problem with the connection between it and your car. Start by turning the ignition switch without activating the vehicle. Keep doing this until you see the warning lights flash twice. Turn the vehicle off and take away the keys. Open the fob compartment in your vehicle's fob compartment. It's usually on a door's jamb or the handle for the driver's door. Find the small “program” button and press it. You should hear a chime sound once the process is complete. It's time to put your Intelligent Key to the test. Take a step away from the vehicle, and hit all the buttons on the key. If the lights flash, or the horn sounds, then the key is connected to the Nissan. You can also test it close to the Nissan.