Reasons Why Your Nissan Qashqai Key Fob Won't Work
The Qashqai's larger dimensions give it an SUV-like ambiance. Its ride on 19-inch alloy wheels on Ti and STL versions may also be a bit firm. The front tyres of Qashqai are also prone to losing traction on rough 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 replaced in a matter of minutes. Be sure that the replacement battery is of the same voltage, size and specifications.
Water Damage
One of the most common reasons a Nissan key fob might display the "key ID is not correct" message is due to water damage. The key fob is fitted with rubber seals which protect the chip inside, but prolonged exposure to moisture can cause it to stop functioning properly. This is typically the situation when you drop your key fob in the ocean or a swimming pools, but it could happen when it's wet due to rain 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 could also have to be taken to a professional for repair or replacement.
If your key fob need to be replaced, the procedure is relatively easy. First, make sure that you have an appropriate multipack battery (CR2032 3V). Then, you can open the front and back cases with the help of a small screwdriver. Remove the metal clips, take out the old battery and then replace it. Reassemble the fob and replace the mechanical key. Check to see if it functions properly. If it isn't, you will need to bring it to a local Nissan dealer or an experienced auto locksmith to fix the key chip. The chip isn't usually damaged by water and therefore isn't too costly.
Dead Coin Battery
Another reason that your Nissan Qashqai key fob may not function is because the battery for the coin is dead. These batteries last for 3 to 5 years, but they may fail over time when the fob is dropped often. car key replacement nissan can replace the battery but make sure it is the same voltage and same size as the first. If you use a new 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 inside a Nissan Qashqai Key Fob is to open it with an incredibly small screwdriver. In the screwdriver, push it into a small notch on the bottom of the fob, and twist it gently to split the two parts of the key fob. Then, remove the old CR2025 button cell battery and insert an alternative one after taking note of its position on the fob.

Examine the terminals to see if there is water damage or dirt before installing the new battery. If there is, wash the terminals with a small amount of isopropyl alcohol. Make sure that the pole cables are connected correctly. They should be connected both the negative and the positive poles of your battery.
Fault Diagnosis
If your Nissan Qashqai's main fob isn't working after exposure to water that is clean from a tap or rain, this could be a sign that there is an issue with the internal chip. You'll need a new keyfob if you can't solve the issue by changing the battery. If you dropped the key fob on the ground and it stopped functioning immediately it's likely due to the damage to the internal chip. It is usually possible to get the key fob back to work once again if it is removed and clean the chip with paper towel and isopropyl alcohol and then insert it back in.
Key ID Incorrect is a common error that can be seen on the dashboard of your car. The vehicle is unable to recognize the key fob and consequently, won't allow the car to start. The issue could be caused by a variety of factors such as water damage, undetectable malfunctions in the circuitry of the key fob, or RFID interference.
If the battery that powers 12 volts in your key fob dead or not providing enough electric current, it will stop working. This will affect your Nissan Qashqai's remote keyless system central locking, as well as the ability to start the engine using the key fob. If you are unable to unlock or lock the door manually, you should check the batteries inside your key fob to be sure they're in good condition. You could also try re-inserting the battery to reset the transmitter.
Reprogramming
If the key fob was not submerged into saltwater, it should be able be restored to its original state with a simple wash of clean water. You may also try cleaning the electronic chip using isopropyl alcohol or an electronic cleaner. If none of these works, it may be time to replace the entire key fob with an entirely new one.
If your Nissan Intelligent Key still does not function, there might be a problem connecting between it and your vehicle. To relink it, start by turning the key into the ignition, without turning on the car. Continue to do this until you see the hazard lights flash twice. Then, turn the car off and take out the keys.
Open the fob compartment of your vehicle. It's usually located in the door jamb, on the handle for the driver's door or under the armrest. Find the small "program" button and press it. Once the process has been completed you will hear an emitted sound.
Now that your Intelligent Key is relinked to the car is the time to test it out. Stand some distance away from the car, and click all of the buttons on it. If the lights flash and the horn sound this means that the key has been successfully linked to the Nissan. You can also try testing it close to the Nissan.