Remote car key not working: what to do?

In the UK, a car has long ceased to be just a means of transportation. It has become an essential tool that makes our daily lives significantly easier, and many cannot imagine life without it. We use cars to commute to work, school, or when embarking on long journeys.

When issues arise with your car or its keys, it can immediately limit your mobility. Naturally, such situations are always stressful. In this article, we aim to provide a detailed overview of a common problem faced by car owners in the UK and worldwide: when a remote key is not working. This usually happens at the most inconvenient moments and leads to considerable inconvenience.

Below, we will discuss possible causes of this issue and address causes specific to certain car models. Additionally, you will find recommendations on how to resolve the problem and, importantly, how to prevent it in the future.

Let’s get started!

Key remote not working Toyota

If your Toyota key has stopped working, it could be due to several common reasons. These issues may include a dead battery, damage to the internal electronics of the key, or a fault in the car’s system.

  • Dead key battery:
    The most frequent cause of key malfunction is a dead battery. Replacing the battery is a simple process you can do yourself. Most Toyota models, such as the Corolla, Camry, or RAV4, use standard CR2032 or CR2016 batteries. Check your user manual to determine the correct battery type.
  • Reprogramming the key:
    Sometimes, especially after replacing the battery or tampering with the car’s electronics, the key may require reprogramming. You can contact an authorised Toyota dealer or specialists in car keys for assistance.
  • Immobiliser block malfunction:
    Issues with the immobiliser system or central locking system may prevent the car from recognising the key signal. In such cases, it is recommended to carry out diagnostics at a specialised service centre.

VW key remote not working

If your VW key is not working, here are the possible reasons:

  • Keyless Entry system unresponsive:
    For Volkswagen vehicles, particularly popular models like the Golf, Passat, and Polo, the Keyless Entry system may fail due to signal interference. Try using the key in close proximity to the car to rule out this issue.
  • Physical damage to the key:
    Volkswagen keys are known for their quality, but if the key has been dropped or exposed to water, the internal electronics may be damaged. In such cases, it is best to consult a key repair specialist.
  • Comfort module issues:
    In some VW models, faults in the comfort control module can interfere with the remote functionality. Resolving this issue may require reprogramming or replacing the module.

Honda key remote not working

Honda is renowned for its reliability, but even their cars can experience key-related issues. If your Honda key is not working, consider the following causes:

  • Worn-out key buttons:
    Over time and frequent use, the buttons on your key may wear out. This is a common problem for models like the Civic, Accord, and CR-V. Replacing the key casing can solve this issue.
  • Dead battery:
    As with Toyota, a dead battery is one of the main causes. Check and replace the battery if necessary.
  • Central locking system malfunction:
    In Honda vehicles, the central locking system can occasionally encounter issues. If the key works intermittently, it’s advisable to have this system inspected by professionals.

BMW key remote not working

BMW offers advanced technology in their vehicles, but key problems can still occur. What should you do if your BMW key stops working?

  • Key battery discharged:
    Many BMW models, such as the 3 Series, 5 Series, and X5, use rechargeable batteries that charge automatically when the key is inserted into the ignition. If the key is not charged, you may need to manually recharge or replace the battery.
  • Lost connection between key and car:
    Occasionally, the key may lose its connection with the car. In this case, the key may need to be reprogrammed by a BMW dealer.
  • CAS (Car Access System) malfunction:
    The CAS handles communication between the key and the car. If this system fails, the key may stop working. Diagnostics by a certified specialist are recommended.

Audi key remote not working

Audi is known for its premium cars, but key issues can arise even with them. If your Audi key is not working, consider the following:

  • Key battery:
    As in other cases, a dead battery is the most common cause. Try replacing the key battery. Most Audi models, including the A3, A4, and Q7, use standard CR2032 batteries.
  • Signal sensors in the car:
    In some Audi models, the signal receiver for the key may fail. If this occurs, you’ll need to visit a specialised service centre.
  • Physical damage to the key:
    If the Audi key has been physically damaged, its internal components might be compromised. Repair or replacement of the key is the best option in such cases.

A malfunctioning car remote key can cause significant inconvenience, but in most cases, the issue is relatively easy to resolve. If you face this problem, start by checking the key’s battery, then proceed to more complex steps such as car system diagnostics.

If you are in the UK and require urgent assistance, the specialists at Phoenix Car Keys are always ready to help. We offer diagnostics, battery replacements, reprogramming, and other car key-related services.

To get more information or order auto locksmith services, just give us a call on the 24-hour number 03330065210. We service over 90% of car makes and models and are confident that we can help you with any problem you may have with your remote car keys.

Don’t delay resolving your issue contact us today!