How to Replace the Battery in Your Car’s Remote-Control Key
If you try to unlock your car and nothing happens, your remote-control car key has stopped working. With traditional or old cars, it was easy to unlock the car, all you had to do was insert the car’s key into a slot on the door. However, that is not the case with automatic cars, owing to the evolution of car keys.
Your car may not unlock let alone start if the automatic car key stops working. But there’s no need to panic. The reason this happens is because of a weak or dead battery. In such a situation, you need to know how to replace the car key battery. Let’s go through the important steps pertaining to car key battery replacement.
Steps for Car Key Battery Replacement
First of all, notice the symptoms. Just like all other devices that work on batteries, the key doesn’t just die all of a sudden, it becomes weaker until it finally goes off.
If the car key has not stopped working completely but you need to be nearer to the car as compared to the usual distance, or if the car door won’t close when you press the button – the car key battery is getting weak. Be proactive and replace the key fob battery before an emergency takes place. Follow these steps to replace the car key battery.
How to Replace Car Key Battery – Get a New Battery
Getting a new battery is the first step to follow to replace the car key battery. Read the owner’s manual to discover the battery used in your automatic car key. You could also open the key and read the proper battery number required for a replacement.
Order the type of battery in your car’s key. In some cases, you might find the battery in a nearby local department store. That said, this isn’t always going to be the case. The best thing to do is to order a new battery before the old one totally dies out.
How to Replace Car Key Battery – Step 1: Open the Key
The second step of car battery replacement is to open the car key itself. Once you have the new battery, you will obviously need to insert it where the old battery was. Observe the car key keenly before you try opening it.
Some car keys just pry apart, however, some car keys are tightly held together by a tiny screw. For the latter, you will have to remove screw/ screws before opening the car key.
Once done, you will need to find a small slot on the side of the key – this will be in the middle of the line separating the two halves. You can use a butter knife to pry the two halves apart. Just be careful and don’t use anything too sharp to prevent the key from damaging.
How to Replace Car Key Battery – Step 2: Remove the Old Battery
After the key is open, you will find some electronics on one half, while the other half is where you will find the battery. Remove the clip holding the battery in place. Then, take out the old battery, notice the positive or negative orientation of the car key battery before removing it.
How to Replace Car Key Battery – Step 3: Install the New Car Battery
Finally, to change the key battery, replace the new one with the old car key battery. Make sure you use the same positive or negative orientation used in the previous old car key battery. Replace the holding clip with the new battery.
How to Replace Car Key Battery – Step 4: Reassemble the Car Key
Then, keep the two key halves together and snap them together. If you had removed any screws, put them back and tighten.
How to Replace Car Key Battery – Step 5: Test the Car Key
Once you reassemble the car key battery, go within ten feet radius of your car to test the remote function on your car key. Hopefully, it should lock and unlock the car. If this does not happen, your key may have lost its electronic coding and will need to be reset. For more details, go through this comprehensive guide on car key programming.
This usually happens when the car key battery has been dead for some time. However, there is no need to worry, you can go to a professional and ask them to reset the coding of your car key to make it work.
That is all on how to replace a car key battery. Besides, if you wish to add another automatic car to your vehicle collection, go through these used cars for sale in the UAE.
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