Replacing a Dead Kia Ceed Key Fob
Kia Ceed users love the convenience of remote entry. But, just like any other device it is possible for the key fob to be inoperable for several reasons. The battery is easily and inexpensively replaced.
The key fob is powered by the 2032 lithium-ion coin battery, also known as a "CR2032" and found in various electronic devices. A standard flathead screwdriver will be all that is needed to open the key fob and then replace the battery.
Keyless entry
Smart key fobs for the KIA Ceed are becoming increasingly popular. They make it easier to lock, unlock and start the vehicle. If G28 isn't functioning it could be due to the battery being dead or another problem. If the battery doesn't function properly, it could affect the functions of the remote as well as the electronics inside. Examine the metal clips on the fob, and make sure they're fully connected. It is also possible to clean the fob with a cloth or isopropyl ethanol to make sure there aren't evidence of exposure to water.
The buttons on the key fobs in the door handles send LF-antenna signal to the vehicle. The vehicle's LF receivers in the door handles and trunk or tailgates read the challenge and transmit an appropriate response to the transponder. This information is transmitted over the serial communication line that comes from the SMK ECU.
It's crucial to fix any issues with your Kia key fob prior to them getting worse. The good news is that replacing the battery in a Kia key fob is simple and takes only several minutes. First, find an opening on the side of the key fob, usually just opposite the key hole. Use a flathead screwdriver to gently wedge into the slot and remove the plastic casing, without damaging the inside components.
Remote start
There are a few options you can do if your Kia Ceed remote start key fob is not working. First, check the battery in your key fob. If it is dead, the remote will not function. Make sure the battery is connected properly. If the connections are corroded, then it's likely that the battery will not receive any current. If the issue is not resolved it is possible to reset the system. Disconnect the 12 Volt batteries for a few seconds to do this. This will allow any remaining electricity to be drained and the system to reset.
The internal chip in the key fob can also stop working if exposed to water. It is recommended to use clean tapwater to rinse the key fob, and then let it completely dry before replacing the battery. You can clean the key fob using isopropyl or an electronic cleaner. In some instances, the key fob can stop working after dropping on the floor. The microchip inside the key fob may be damaged.
The key fob can also stop working due to signal interference. This could be caused by conditions in the weather, objects in the proximity of the vehicle or transmitters that operate on the same frequency. In the majority of cases, it can be resolved by altering the key fob's programming. This can be done by turning the key off to on in the ignition until the door locks start to cycle.

Keyless lock
Key fobs are an ideal convenience for many drivers, but it's also something that can break easily. A dead battery is the most frequent reason however, you could also have a problem with the door locks. The good news is that a quick visit to a dealer should be able to solve the problem for you.
Smart key features on the Kia Ceed make life easier for you by allowing access to your car without removing it from your pocket or purse. To unlock your car, simply place the key fob close to the car and press the lock button once for the driver's door or twice for all doors as well as the trunk.
Both the standard Kia key fob as well as the smart Kia make use of standard 2032 battery, which can be found in most supermarkets or online stores. This kind of battery can also be used to power small electronic devices, such as watches or calculators. To replace the battery, locate the button that releases the mechanical key blade and remove it. Place the new battery in an opening that is the same size as the emergency key blade.
If you're experiencing problems with the key fob, try ensuring that all metal retaining clips are in good shape and there aren't evidence of water damage. It's also a good idea to clean the contact points regularly. If the steps you've taken do not work, you may have to visit an authorized dealer to reprogramme.
Remote trunk release
You can remotely unlock and lock the Kia Ceed trunk or tailgate using your key fob. This feature is particularly useful when you're away from your vehicle and you need to ensure that the trunk stays closed or open. To activate this feature, hold and press the button on your SMART KEY FOB for at least a quarter-second. Then press the button again to turn off the feature. The key fob could also be used as an alarm to scare away potential thieves or help you locate your vehicle in a huge parking lot.
The most frequent cause of a Kia key fob not working is a dead coin battery inside the key fob. You can replace the battery in less than an hour. You'll require an screwscrew with a flathead and a new case for the key fob in order to complete the task. Locate the small slot on the side. Place the screwdriver in the slot and gently wedge it until the case comes off. Then, remove the old battery and replace it with a new one.
Another reason that could be the cause of the Kia key fob not working is water damage. It could happen if the key fob is wet. For example dropping it in the rain or spill water on it. If this happens, clean the electronic device with paper towels and isopropyl alcohol prior to reprogramming it. You could also try setting the on-board computer back to factory settings by removing the 12 volt battery for a few minutes.