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This fifth-generation Ibiza is redesigned is a serious contender for the supermini segment. It competes with Renault Clio and Peugeot 208 as well as the Ford Fiesta.

Make use of a small screwdriver with a flat head or a thumbnail (A) to break open the battery compartment cover on the key fob (B). Replace the CR2025 coin battery to ensure that it is placed in the correct direction and polarity.

Dead Coin Battery

A dead coin battery is the most common reason of a key fob not locking or unlocking your vehicle. After it has died you'll notice the decrease in range or no power. It is easy to replace it with a new (CR2025) one from your local store. Be aware that defective or defective batteries could cause damage to the key fob. Be sure that the battery you choose to replace is the same size and voltage and has the same specifications.

If your fob has been exposed to clean water, for example rainwater or soapy tap water it is possible that corrosion has damaged the chip's electronic circuit. You could try cleaning the chip with alcohol or an electronic cleaner to check if it works but it is most likely that the chip has been fried.

The most efficient solution is to purchase a new key fob. They are readily available from major Lost Car Key Locksmith Near Me dealers and are installed by a qualified mechanic. You can also purchase them on the internet, for instance on eBay. The best option is to work on a level surface with adequate lighting. It is easier to work with the small parts. You'll also be able to avoid putting things in the wrong place. Always keep your key fob in an area that is safe and secure.

Water Damage

It's possible to think that your fob is damaged if you drop it into the pool or accidentally wash it. But there's a way to salvage it. If the circuit board inside the fob is exposed to water, it turns into conductor that shorts the components. It also speeds up corrosion and rust.

This is an easy fix. Find something absorbent to put inside the fob. A tissue or paper towel will be ideal. Then you can use a cotton swab that has been soaked in isopropyl alcohol and wipe down the circuit board and other components to clean out any battery acid residue and contamination. Allow the board to dry for several days in a dry, warm environment.

Replace the battery after the fob has dried with a fresh one with the same size and the same polarity ('+' (pointing upwards). It can be difficult to open up the fob to get access to the battery, but if you have a small flat-head screwdriver at hand, it will slide in easily. After the fob is rebuilt, it should operate just as normal. If it isn't working you may need to re-program it or replace the module.

Radio Interference

If a keyfob works properly, it sends out a radio frequency that is picked up by a receiver module in your vehicle. If the signal is not received, your key fob won't work. This can be caused by objects like weather conditions or other transmitters that operate on the same frequency near your car.

In this instance it is best to replace the battery in your key fob. It is recommended to replace your key fob's battery.

A few LED lighting products that uses the same frequencies as the remote control key fob may interfere with the signal, preventing it from reaching receiver modules. To prevent interference, the LED light must be switched off or to an alternative frequency.

If the problem persists after replacing the battery, the antenna of your key fob may be damaged or not functioning properly. The antenna is responsible to transmit a signal between the key fob and the receiver module. An OBDII scan can assist in diagnosing the issue by revealing what's wrong with the system. The scanner will ask you for information about your vehicle, including the make, model engine type, and VIN number.

Faulty Receiver Module

The key fob has an electronic receiver that transmits signals to lock and unlock the key fob. All electronic components that are on-board will cease to function if this module becomes inoperable. Reprogramming the key fob by an OBDII scan, or replacing it could help.

This issue can be caused by a dead coin-cell, water damage or signal interference. Try resetting the on-board computer by disconnecting the 12 volt battery for 15 minutes. This will remove any remaining electric current that could cause problems. Begin by removing the cable from the negative terminal of the battery first, followed by the positive terminal. After 15 minutes, connect the battery in reverse order: positive first, negative second.

The internal chip of the key fob may be damaged by dirt or water. If your key fob stopped functioning after being soaked, clean it with isopropyl, or an electronics cleaner. After that, replace the battery. If it stops working after exposure to salty or soapy water the chip is likely fried and will need to be replaced.

A faulty antenna module fuse could also be the cause. It's the fuse that sends an electronic signal to the vehicle to lock or unlock. The fuse may be located in several places, depending on the type of vehicle. For instance it could be located under the rear seat leon key programming, or in the trunk, or on the side of the dashboard.