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Reasons Why Your Nissan Qashqai Key Fob Won't Work The Qashqai's bigger dimensions give it a distinct SUV-like ambiance. Its ride on 19-inch alloy wheels on Ti and STL models can also be firm. The front tyres of Qashqai are also prone to losing grip on bumpy surfaces, and its CVT can sometimes display a wrist-flexing torque steering. It is usually caused by an unresponsive coin battery that can be easily repaired in a matter of minutes. Make sure that the new battery is the same voltage, size and specifications. Water Damage One of the most common reasons that a Nissan key fob gives the “key ID is incorrect” message is due to water damage. The rubber seals on the key fob guard the chip's electronics, but prolonged moisture exposure can cause it to malfunction correctly. It's common to see this if your keyfob has been dropped in the ocean or in a pool. However, it could also happen when it gets wet from showers or soapy hands. If your key fob has been exposed to water for an extended time, it may need to be cleaned using isopropyl alcohol, or electronic cleaner. It may also need to be sent to a specialist for repair or replacement. If your key fob require replacement the process is simple. Make sure you've got the correct multipack (CR2032, 3V). Then, you can open the front and back cases using an abrasive screwdriver. Remove the metal clips, remove the old battery and replace it. After reassembling the fob, put the mechanical key back in place and check that it functions as intended. If it does not then you'll have to go to your local Nissan dealer or an expert auto locksmith to fix the chip that controls the key. Fortunately, the chip is not typically damaged by exposure to water and therefore this shouldn't be too expensive. Dead Coin Battery The coin battery is a second common reason that your Nissan Qashqai remote key fob won't work. They typically last for 3 to 5 years, but they may fail with time, particularly when the fob is frequently dropped. You can try replacing the battery with a new one, but be sure that it's the same voltage and size as the original. If you use a different battery, it can cause the key to have an incorrect key ID, that could hinder it from connecting to your vehicle. The best method to replace the battery on a Nissan Qashqai Key Fob is to pry it open using the help of a small screwdriver with a flat head. The screwdriver should be inserted into tiny notch at the bottom of the fob and twist gently to separate the two parts of the key fob. Remove the old CR2025 battery and replace it with a new one, taking note of the location of the old one within the fob. Before you put the new battery in place be sure that there is no dirt or water damage to the terminals. If there is, wash the terminals with a tiny amount of isopropyl alcohol. You'll also want to make sure the pole cables are plugged in correctly. They should be connected to the positive and negative poles of the battery respectively. Diagnostics of a fault If your Nissan Qashqai's main fob isn't working after being exposed to pure rainwater or clean tap water, this could be a sign there is a problem with the internal chip. You'll need a new keyfob in the event that you are unable to fix the issue by changing the battery. If the key fob stopped working after you dropped it, it's likely that the chip inside was damaged. If you clean the chip with isopropylethanol and paper towels and then insert it into the key fob, you can generally get it back to working. Key ID Incorrect is a common mistake that you might see on the dashboard of your vehicle. This means that the vehicle is unable to recognize the key fob and will not allow it to start the engine. The issue can be caused by many things like water damage, undetectable problems in the key fob's circuitry, or RFID interference. The key fob will cease to function when the 12 volt batteries are dead or don't provide sufficient electric current. This will affect the remote keyless system and central locking on your Nissan Qashqai, as well as hindering you from starting your engine with the key fob (if equipped with Intelligent Key). Check the battery in the key fob if you're not able to lock or unlock your door manually. thekeylab.co.uk could also try re-inserting the battery to reset the transmitter. Reprogramming If the key fob had not been submerged in salt water, it should be able to come back to life after a simple rinse with clean water. You can also clean the electronic chip using isopropyl or electronic cleaner. If none of these works it could be time to replace the entire key fob with an entirely new one. If your Nissan Intelligent Key is still not working, there could be a problem with the connection between it and the car. Start by turning the ignition switch without initiating the vehicle. Continue this process until you see the hazard lights flash twice. Then, turn off your vehicle and remove the key. Open the fob compartment in your vehicle. This is usually located in the door jamb, on the driver's side door handle or under an armrest. Find the small button marked “program” and press it. You should hear a chime after the process has been completed. Now that your Intelligent Key is relinked to the car now is the time to try it out. Click all the buttons on the key while standing a distance from the car. If the lights flash, or the horn sounds, then the key is successfully connected to the Nissan. You can also test it near the Nissan.