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Reasons Why Your Nissan Qashqai Key Fob Won't Work The Qashqai has a distinct SUV feel to it thanks to its larger dimensions. Additionally, the wheel sizes of 19 inches in Ti and ST-L models may be firm at times. The front tyres could lose grip on rough surfaces and its CVT may occasionally exhibit wrist-flexing torque steer. This is usually caused by an unresponsive battery that can be replaced in just a few minutes. Be sure that the replacement battery is of the same size, voltage and specifications. Water Damage Water damage is one of the most common causes for the Nissan keyfob to display the “key ID is wrong” message. The key fob comes with rubber seals which protect the chip inside, but prolonged exposure to moisture can cause it to cease functioning properly. It's typical to observe this if your keyfob was dropped in the water or in a swimming pool. But it can also occur when it's wet from the rain or soapy hands. If your key fob is exposed to water for a prolonged time, it may need to be cleaned with isopropyl alcohol or an electronic cleaner. It could also require to be sent to an expert to repair or replace it. If your key fob require replacement, the procedure is relatively easy. Make sure you have the right multipack (CR2032, 3V). Open the front and rear cases using the flat-head screwdriver. Remove the metal clips, take out the old battery and then replace it. After reassembling your fob, put the mechanical key back into position and ensure that it is working correctly. If not then you'll need 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 often damaged by water exposure, so this should not cost you a lot. Dead Coin Battery Another reason why the reason your Nissan Qashqai key fob may not function is that the battery for the coin is dead. These batteries last three to five years, but may fail over time in the event that the fob has been dropped frequently. You could try replacing the battery with a new one, but make sure it's the same voltage and size as the original. If you install a new battery, it could cause the key to be assigned an incorrect key ID. This can prevent it from being connected to your vehicle. The best method to replace the battery in a Nissan Qashqai key fob is by opening the key fob using a small flat head screwdriver. The screwdriver should be inserted into a small notch at the bottom of the key fob. The screwdriver should be gently twisted to split the two halves. Then, remove the old CR2025 button cell battery and replace it with the new one after confirming its location on the fob. Before putting the new battery into place ensure that there is no water damage or dirt on the terminals. If there is clean the terminals with some isopropyl ethanol. Make sure that the pole cables are properly connected. They should be connected to both the negative and the positive poles of your battery. Diagnostics of a fault If your Nissan Qashqai's keys fob isn't working after exposure to water that is clean from a tap or rain it could be a sign there is a problem with the internal chip. You'll require a new keyfob if you are unable to fix the issue by changing the battery. If the key fob has 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 replace it with the key fob, you'll 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 is unable to recognize the key fob, and will not allow it to start the engine. The issue can be caused by a variety of factors like water damage, undetectable faults in the circuitry of the key fob or RFID interference. The key fob will cease to function in the event that the 12 volt batteries are dead or don't provide enough electric current. nissan x trail replacement key will affect your Nissan Qashqai's keyless system central locking, as well as the capability to start the engine with the key fob. If you can't unlock or lock the door manually you must check the batteries inside the key fob to make sure they're in good shape. You can 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 be revived after a quick rinse with clean water. You might also try cleaning your electronic chip with isopropyl alcohol or an electronic cleaner. If these methods don't work it could be time to replace the entire key fob with a new one. If your Nissan Intelligent Key is still not functioning, there may be a problem with the connection between it and the car. Start by turning the ignition switch without starting the vehicle. Keep doing this until you see the danger lights flash twice. Then, turn the vehicle off and take away the keys. Next, you must open the fob compartment inside your vehicle. This is usually located in a door jamb on the driver's side door handle or under the armrest. Locate the small button labeled “program” and press it. You will hear a sound after the process is completed. Now that your Intelligent Key is relinked to the car It's time to test it out. You must stand a certain distance away from the car, and click all of the buttons on the key. If the lights flash or the horn sounds, the key is successfully connected to the Nissan. You can also test it near the Nissan.