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Reasons Why Your Nissan Qashqai Key Fob Won't Work The Qashqai has a distinctly SUV feel to it thanks to its larger dimensions. Moreover, the ride on 19-inch wheels in Ti and ST-L models can be a bit spongy at times. The front tyres in the Qashqai may also lose grip on bumpy surfaces, and the CVT may occasionally show wrist-flexing torque steering. This is usually due to an inoperable coin battery, which is easily repaired in a matter of minutes. Make sure that the replacement battery is of the same size, voltage and specification. Water Damage Water damage is among the most common reasons for a Nissan keyfob to display the “key ID incorrect” message. The key fob comes with rubber seals that protect the chip inside. However, prolonged exposure to moisture could cause it to cease functioning properly. It's normal to see this happen if your key fob has been dropped into the ocean or swimming pool. However, it could also happen when it gets wet due to rain or soapy hand. If your key fob has been exposed to water for a lengthy time, it may need to be cleaned using isopropyl alcohol or an electronic cleaner. It could also have to be taken to an expert to be repaired or replaced. If your key fob does need to be replaced the process is simple. Make sure you have the proper multipack (CR2032 3V). Open the front and back cases with a small flathead screwdriver. You'll have to remove the retaining clips made of metal and push out the old battery and put in the new one. After reassembling your fob, put the mechanical key back in place and check that it functions as intended. If it doesn't then you'll have to take it to a Nissan dealer or a professional auto locksmith for the replacement of the chip in the key. The chip is not usually damaged by water, so it should not be too expensive. Dead Coin Battery Another reason why your Nissan Qashqai key fob may not function is that the coin battery has gone dead. These batteries last three to five years, however they are prone to failure over time if the fob has been frequently dropped. You could replace the battery but be sure to use the same voltage and same size as the previous. If you're using a different battery, it can cause the key to have an incorrect key ID which will prevent it from connecting to your vehicle. The most effective method of changing the battery of a coin in the Nissan Qashqai Key Fob is to open it with an small screwdriver that has a flat head. The screwdriver should be inserted into a small notch on the bottom of the fob, and twist 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 position on the fob. Before you put the new battery into place ensure that there isn't any dirt or water damage on the terminals. If not, clean the terminals using a small amount isopropyl ethanol. Make sure that the pole cables are properly connected. They should be connected to the positive and negative poles of your battery. Diagnostics of a fault If your Nissan Qashqai key fob stops working after exposure to clean rain or tap water, it may be a sign of an internal chip problem. You'll need a new keyfob if you can't solve the issue by replacing the battery. If you dropped the key fob on the ground and it stopped functioning immediately it's likely because it damaged the internal chip. You can usually get the key fob back to function again if you take it out and clean the chip with paper towel and isopropyl alcohol and then put it back into. A common error that you might see on your car's dashboard is “Key ID Incorrect.” This means that the vehicle cannot recognize the key fob and will not allow it to start the engine. This can happen in many different ways, including water damage, issues that are undetectable in the circuitry of the key fob or RFID interference. If the battery that powers 12 volts in your key fob is inactive or is not supplying sufficient electric current it will cease to function. This will affect the Nissan Qashqai's remote keyless system central locking, as well as the ability to start the engine with the key fob. If car key cutter can't unlock or lock the door manually you must check the batteries on your key fob to be sure they're in good shape. You could also try installing the battery again to reset your transmitter. Reprogramming If the key fob was not submerged into saltwater, it should be able be revived with a simple rinse of clean water. You may also try cleaning the electronic chip using isopropyl ethanol or an electronic cleaner. If none of these work then it might 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 your car. Start by pressing the ignition key, but without beginning the car. Continue to do this until the hazard light flashes two times. After that, turn the car off and remove the keys. Open the fob compartment in your vehicle's fob compartment. It's usually in a door jamb on the handle on the driver's side or under the armrest. Find the small “program” button and press it. Once the process is completed, you should hear the sound of a chime. It's time to test your Intelligent Key to the test. Press all the buttons on the key while standing a distance from the vehicle. If the lights flash, or the horn sounds, then the key is successfully connected to the Nissan. It is also possible to test it close to the Nissan.