How to Change Battery in 2018 VW Passat Key Fob

Changing the battery in your 2018 VW Passat key fob is a quick and easy process that can save you the hassle and expense of a trip to the dealership. This guide will walk you through each step, ensuring you’re back on the road in no time with a fully functional key fob.

Understanding Your VW Passat Key Fob

Before we dive into the battery replacement process, it’s helpful to understand the different types of key fobs for the 2018 VW Passat. There are two main types: the traditional flip key and the keyless entry remote. Both require a battery, but the replacement process differs slightly. Knowing your key fob type will make the process smoother.

Gathering Your Tools for the 2018 VW Passat Key Fob Battery Change

You’ll need a few simple tools to change the battery in your 2018 VW Passat key fob. Gather a small flat-head screwdriver, a new CR2032 battery (ensure it’s a reputable brand for longevity), and optionally, a small plastic pry tool to avoid scratching your key fob. Having everything ready beforehand will streamline the process.

Step-by-Step Guide: Replacing the Battery in Your 2018 VW Passat Flip Key Fob

Locate the release button: On the side of your flip key, you’ll see a small button. Press this button to release the valet key.
Use the valet key: Insert the valet key into the slot on the key fob casing and gently twist to separate the two halves of the fob.
Remove the old battery: Carefully pry out the old CR2032 battery using your flat-head screwdriver or plastic pry tool. Avoid excessive force to prevent damage to the key fob.
Insert the new battery: Place the new CR2032 battery into the compartment, ensuring the positive (+) side faces upwards.
Reassemble the key fob: Snap the two halves of the key fob back together and test the functionality.

Replacing the Battery in Your 2018 VW Passat Keyless Entry Remote

The process for replacing the battery in the keyless entry remote is slightly different:

Locate the notch: Look for a small notch on the side of the key fob.
Insert the flat-head screwdriver: Carefully insert the flat-head screwdriver into the notch and gently pry open the key fob casing.
Remove the old battery: Locate the CR2032 battery and gently pry it out using your flat-head screwdriver or plastic pry tool.
Insert the new battery: Insert the new battery, ensuring the positive (+) side is facing upwards.
Reassemble the key fob: Snap the casing back together and test the key fob’s functionality.

Troubleshooting Common Issues

If your key fob still isn’t working after replacing the battery, there could be other issues. Try re-synchronizing your key fob with your car by following the instructions in your owner’s manual. If the problem persists, consider contacting a qualified automotive locksmith or your VW dealership.

Conclusion

Changing the battery in your 2018 VW Passat key fob is a simple task that can be done at home with minimal tools. By following the steps outlined in this guide, you can save time and money. Remember to always use a high-quality CR2032 battery for optimal performance.

FAQs

What type of battery does a 2018 VW Passat key fob use? A CR2032 battery.
How often should I change the battery in my key fob? Typically every 2-3 years, depending on usage.
Can I damage my key fob by changing the battery myself? It’s possible if you use excessive force. Be gentle and follow the instructions carefully.
What should I do if my key fob still doesn’t work after changing the battery? Try re-synchronizing it with your car or contact a professional.
Where can I buy a replacement CR2032 battery? Most electronics stores, pharmacies, and online retailers.
Is there a difference between key fob batteries? Yes, quality and longevity can vary between brands.
Can I use any flat-head screwdriver for this process? A small one is recommended to avoid damaging the key fob.

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