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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 bigger dimensions, and the 19-inch wheels on Ti and ST-L models may be a bit stiff at times. The front tyres of the Qashqai can lose grip on rough surfaces and its CVT may occasionally exhibit wrist-flexing torque steer. It is usually caused by the battery of a coin that is dead. It can be easily repaired in a matter of minutes. Make sure that the replacement battery is of the same voltage, size and specifications. Water Damage One of the main reasons that a Nissan key fob displays the “key ID is incorrect” message is due to water damage. The rubber seals on the key fob guard the electronic chip, but long-term exposure to moisture can cause it to stop working correctly. This is typically the situation in the event that you've dropped your key fob in the ocean or into a swimming water pool, but it could happen when it's wet from rain or soapy hands. If your key fob is exposed to water for a long duration, it might have to be cleaned with isopropyl alcohol or electronic cleaner. In addition, it may require a visit to a specialist for repair or replacement. If your key fob is in need to be replaced, it's an easy procedure. Make sure The Key Lab have the correct multipack (CR2032, 3V). Open the front and rear cases with the flat-head screwdriver. Remove the clips made of metal, then remove the battery, and then replace it. Reassemble the fob and replace the mechanical key. Make sure it's working correctly. If not then you'll have to take it to your local Nissan dealer or a professional auto locksmith to replace the key chip. The chip isn't usually damaged by water so it should not cost a lot. Dead Coin Battery Another common reason the reason your Nissan Qashqai key fob might not work is that the battery for the coin is dead. These batteries last for 3 to 5 years, but they may fail over time if the fob has been dropped often. You can replace the battery with a fresh one but be sure it's the same size and voltage as the original. If you use another battery, it may cause the key to have an invalid key ID which can prevent it from connecting to your vehicle. The best method to replace the battery in the Nissan Qashqai key fob is by prying open the fob with the small screwdriver with a flat-head. In the screwdriver, push it into a small notch at the bottom of the fob and twist gently to separate the two halves of the key fob. Remove the old CR2025 battery and replace it with a brand new one, taking note of the location of the old one in the fob. Check the terminals for water damage or dirt before installing the new battery. If so clean the terminals with the smallest amount of isopropylethanol. Make sure that the pole cables are properly connected. They should be connected to both 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 could be an indication of a chip issue inside. The battery replacement won't fix this, and you'll have to buy an entirely new key fob. If you dropped the key fob on the ground and it stopped working instantly it's most likely due to damage to the internal chip. If you clean the chip with isopropyl ethanol and a paper towel and then insert it into the key fob, you will usually get it working again. A common error that you may notice on the dashboard of your vehicle is “Key ID Incorrect.” The vehicle is unable to recognize the key fob and consequently, won't allow the vehicle to start. The issue can be caused by several things such as water damage, undetectable problems in the key fob's circuitry, or RFID interference. If the battery that powers 12 volts on your key fob is empty or isn't supplying enough electric power it will cease to function. This will affect the remote keyless system as well as central locking on your Nissan Qashqai, as well as preventing you from starting your engine using the key fob (if equipped with Intelligent Key). Examine the batteries on the key fob if you're not able to lock or unlock your door by hand. You may also try replacing the battery to reset your transmitter. Reprogramming If the key fob was not submerged into saltwater it should come back to life by a simple wash of clean water. You can also clean the electronic chip with isopropyl or electronic cleaner. If none of these works then you might need to replace the key fob. If your Nissan Intelligent Key still does not work, there could be a connection issue between it and your vehicle. Start by turning the ignition key but not initiating the vehicle. Continue to do this until the hazard light blinks twice. Then, turn off the vehicle and take off the key. Open the fob compartment in your vehicle. It's usually located on a door jamb or the handle for the driver's door. Find the small “program” button and press it. You should hear a chime sound after the process is completed. It's time to put your Intelligent Key to the test. Stand some distance away from the vehicle, and click all of the buttons on it. 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.