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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. Additionally, the 19-inch wheels on Ti and ST-L models can be a bit stiff at times. 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 the battery being dead, which can be replaced in a matter of minutes. Make sure that the replacement battery is of the same voltage, size and specifications. Water Damage Water damage is one of the most common causes for an Nissan keyfob to display the “key ID is wrong” message. The key fob comes with rubber seals that shield the electronic chip inside. However, prolonged exposure to moisture can cause it to cease functioning properly. It's normal to see this if your keyfob has been dropped in the water or in a swimming pool. However, it could also happen when it gets wet from rain or soapy hand. If your key fob has been exposed to water over many years then you might need to clean it using isopropyl and electronic cleaner. Alternatively, it might require a visit to a specialist to repair or replace it. If your key fob does need to be replaced, the procedure is relatively simple. First, make sure that you have a multipack of the correct battery (CR2032 3V). Open the front and rear cases with the flat-head screwdriver. You'll need to take out the retaining clips made of metal and push out the old battery and replace it with the new one. Reassemble the fob and replace the mechanical key. Check to see if it functions correctly. If it isn't then you'll need to bring it to a local Nissan dealer or a professional auto locksmith to repair the chip on the key. Fortunately, the chip is not typically damaged by exposure to water and this shouldn't be a huge expense. Dead Coin Battery Another reason that your Nissan Qashqai key fob may not work is that the battery for the coin is dead. The batteries typically last for 3-5 years, but they may fail in time, particularly if the fob is dropped frequently. You could try replacing the battery with a new one, but make sure that it's the same voltage and size as the original. If you replace the battery, it may cause the key to be assigned a different key ID. This can prevent it from being connected to your vehicle. The best way to change the battery on the Nissan Qashqai Key Fob is to break it open using the help of a small screwdriver with a flat head. nissan juke replacement key should be inserted into a small notch at the bottom of your key fob. Simply twist the screwdriver to divide the two halves. Then, remove the old CR2025 button cell battery and insert an alternative one after taking note of its location in the fob. Before you put the new battery in be sure that there is no water damage or dirt on the terminals. If there is, clean the terminals using a small amount isopropyl ethanol. Make sure that the pole cables are connected correctly. They should be connected both the positive and negative poles of your battery. Diagnostics of a fault If your Nissan Qashqai's primary fob stops functioning after exposure to pure rainwater or clean tap water it could indicate that there is an issue with the internal chip. Change the battery won't fix this issue, and you'll have to buy an entirely new key fob. If the key fob has stopped working after you dropped it, it is likely that the chip inside was damaged. If you clean the chip with isopropyl ethanol and a paper towel and then replace it with the key fob, you'll usually get it working again. Key ID Incorrect is a common error you may see on the dashboard of your car. The vehicle is unable to recognize the key fob which is why it won't allow the car to start. This problem can be caused various ways, including water damage, problems undetectable in the key fob's circuitry or RFID interference. If the battery that powers 12 volts on your key fob is dead or not providing sufficient electric current, it will stop working. This could affect the remote keyless system as well as central locking in your Nissan Qashqai, as well as preventing you from starting your engine with the key fob (if equipped with Intelligent Key). Check the batteries inside the key fob if you are in a position to lock or unlock your door manually. You may also try installing the battery again to reset your transmitter. Reprogramming If the key fob is not been submerged in salt water, it should be able to return to life after a simple rinse with clean water. You can also try cleaning the electronic chip with isopropyl alcohol or an electronic cleaner. If these don't work it could be time to replace the entire key fob with a new one. If your Nissan Intelligent Key still does not work, there could be a connection problem between it and your vehicle. To reconnect it, begin by turning the key into the ignition, but not starting the car. Continue this process until the hazard light flashes twice. Turn the vehicle off and take out the keys. Open the fob compartment in your vehicle's fob compartment. It's usually located on a door jamb or the handle of the driver's door. Find the small “program” button and press it. When the process is complete, you should hear an audible sound. It's time to test your Intelligent Key to the test. Stand some distance away from the vehicle, and hit all the buttons on the key. If the lights flash and the horn sound this means that the key has successfully linked to the Nissan. You can also test it in close proximity.