Renault Zoe Not Unlocking? You’re Not Alone — Here’s Why

Renault Zoe car parked up
The Renault Zoe unlocks either by pressing the button on the key fob or by manually inserting the key in the driver’s door.

Are you locked out of your Renault Zoe? You’ve come to the right place.

As a Zoe owner, I’ve always been worried about this happening. To help, I’ve researched all the potential reasons why you might be locked out, and how to solve them.

If this is happening to you now, keep reading. In this article, I provide you with some troubleshooting tips to try before seeking professional help. By the end of the article, you’ll have a better understanding of how to handle this situation. Hopefully, you’ll also have unlocked your car and are ready to hit the road!

Why the Renault Zoe Might Not Unlock

There are several reasons why your Renault Zoe might not unlock. You should try to understand the root cause of the issue before doing anything else so that you can take the appropriate steps to fix it. 

Some of the most common reasons for a Renault Zoe not unlocking are:

  1. Dead key fob battery
    The key fob is what communicates with the car’s central locking system to lock and unlock the doors. If the battery in the key fob is dead, it won’t be able to send a signal to the car to unlock the doors.
    This is the simplest issue to fix.
    Simply change the battery, and you’re done! I’ll explain how to do this in the section below, “How To Fix the Problem of Renault Zoe Not Unlocking”.
  2. Malfunctioning door lock
    If the lock on one or more of your Renault Zoe’s doors is not working properly, it may not be able to unlock. This could be caused by a mechanical issue with the lock itself or an electrical problem with the car’s central locking system. You can test this by attempting to open other doors besides the driver one. If they unlock, the problem is likely to be in one specific door.
  3. Blown fuse
    The central locking system is powered by a fuse in the car’s electrical system. If this fuse blows, it can cause the system to stop working altogether, preventing the car from unlocking. Fuses are safety devices designed to protect a car’s electrical system from damage that can arise due to electrical overloads or short circuits. Your car has several of them, and each corresponds to a different electrical component. 
  4. Physical damage
    Sometimes, physical damage to the car’s exterior, such as a more serious dent or scratch, can interfere with the door lock mechanism and prevent the car from unlocking. This is especially true if the damage was done on a door or near where the unlocking mechanism is placed.

How To Fix the Problem of Renault Zoe Not Unlocking

Renault Zoe Key Fob
If your Renault Zoe is not unlocking when you click the button on the key fob, try removing the backup key from the fob and using it to directly open the door.

If your Renault Zoe is not unlocking when you click the button on the key fob, try removing the backup key from the fob and using it to directly open the door.

It’s important to know the source of your problem, but once you have established that, it’s time to act. What can you do to fix the issue? Here are some ideas to consider, depending on what is preventing the car from unlocking:

  1. Replace the key fob battery
    As mentioned earlier, this is a very common issue and the easiest to address. To replace the battery, simply open the key fob and swap out the old battery with a new one. Don’t forget to use the correct battery type for your key fob. You can learn how to do it in this video.
Renault Zoe Key Battery Replacement
  1. Use the backup key
    Your Renault Zoe comes with a backup key that can be used to manually unlock the doors if the key fob isn’t working. The backup key is placed inside the key fob. Check this video if you’re having trouble accessing it. Once you have the key, insert it into the driver’s door lock and turn it to unlock the door.
How to get in and start Renault Zoe when key battery is flat
  1. Check the door lock
    If a door isn’t unlocking, it’s possible that the lock itself is malfunctioning. Check if the lock looks damaged or if there are any issues preventing it from working as it should. If the lock seems fine, try manually locking and unlocking the door a few times to see if that resolves the issue.
  2. Change the central locking system fuse
    As we’ve seen above, a blown fuse is one of the causes for the Renault Zoe to stop unlocking. Check your car’s manual to locate the fuse box and find the fuse for the central locking system. If the fuse is blown, replace it with a new one of the same rating. You can learn how to locate the fuse box and identify the one you need in this video.
Fuse box location and diagrams: Renault Zoe (2013-2018)

When to Seek Professional Assistance

If you’ve tried the troubleshooting tips in the previous section and your Renault Zoe still isn’t unlocking, it may be time to seek professional assistance. 

Here are some signs that it’s time to take your car to a mechanic:

  1. The issue is persistent
    If you’ve tried all the troubleshooting tips and the issue is still ongoing, it’s likely that there’s a more complex issue at play. Continuing to try DIY fixes could make the issue worse, so it’s best to leave it to the professionals.
  2. Strange noises or smells
    If you hear weird noises or smell unusual odors when trying to unlock your car, it could be a sign of a more serious issue with the car’s electrical system. This should be addressed by a professional as soon as possible.
  3. Electrical issues
    Issues with the car’s electrical system can be complicated and difficult to diagnose. If you suspect that there’s something wrong with the electrical system, leave it to the professionals to avoid causing more damage.


I hope you will never have to deal with your Renault Zoe not unlocking. Still, if it does happen to you, now you know that most likely there is a simple cause behind it, as well as an easy fix you can perform on your own.

However, always play it safe. If the issue is persistent, or if you suspect there is something more serious going on with your car, have it inspected by a technician. 

I hope this article was helpful! And now, why not check some more of our Renault Zoe guides?

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