How to Change Battery in 2017 VW Jetta Key Fob

Changing the battery in your 2017 Volkswagen Jetta key fob is a quick and easy process that can save you the hassle and expense of a dealership visit. This guide will walk you through the steps so you can get back on the road in minutes.

Understanding Your 2017 VW Jetta Key Fob

Before we dive into the battery replacement process, it’s helpful to understand the components of your key fob. The 2017 VW Jetta key fob features a traditional flip-key design with integrated remote buttons for locking/unlocking doors, opening the trunk, and activating the panic alarm. Inside this compact device lies a small but crucial battery that powers all these functions. Knowing the type of battery your key fob requires is the first step to a successful replacement.

What Type of Battery Does a 2017 VW Jetta Key Fob Use?

The 2017 VW Jetta key fob uses a CR2032 battery, a common type of lithium coin cell battery readily available at most electronics stores, pharmacies, and online retailers. It’s a good idea to keep a spare on hand, especially if you frequently use your key fob’s remote functions.

Step-by-Step Guide: How to Change Battery in 2017 VW Jetta Key Fob

Now, let’s get to the heart of the matter: changing the battery in your 2017 VW Jetta key fob.

Locate the Release Button: On the side of your key fob, opposite the key blade, you’ll find a small release button. This button often has a small indentation or marking.
Release the Key Blade: Press the release button and simultaneously slide the metal key blade out of the fob. This will expose the battery compartment.
Open the Battery Compartment: Use the tip of the key blade (or a small flat-head screwdriver) to carefully pry open the battery compartment. Insert the key blade into the small notch provided and gently twist to separate the two halves of the fob.
Remove the Old Battery: Once the compartment is open, you should see the CR2032 battery. Carefully remove it by gently prying it out with your fingernail or a small non-metallic tool. Avoid using metal tools to prevent damage to the battery or the fob.
Install the New Battery: Insert the new CR2032 battery into the compartment, making sure the positive (+) side faces upwards. You should feel a slight click when the battery is correctly seated.
Close the Battery Compartment: Align the two halves of the key fob and press them firmly together until they snap shut. Ensure the compartment is securely closed to prevent moisture or debris from entering.
Reinsert the Key Blade: Slide the key blade back into the fob until it clicks into place.

Troubleshooting and Tips for 2017 VW Jetta Key Fob Battery Replacement

Even with a seemingly simple task like changing a key fob battery, issues can sometimes arise. Here are a few troubleshooting tips and things to keep in mind:

Key Fob Still Not Working? If your key fob still isn’t working after replacing the battery, try re-synchronizing it with your vehicle. Consult your owner’s manual for specific instructions on how to do this. It typically involves a sequence of inserting the key into the ignition and pressing certain buttons on the fob.
Avoid Touching the Battery Terminals: When handling the new battery, avoid touching the terminals with your fingers. This can reduce the battery’s lifespan.
Dispose of the Old Battery Properly: CR2032 batteries contain lithium and should be recycled or disposed of according to local regulations.

In conclusion, changing the battery in your 2017 VW Jetta key fob is a simple and cost-effective procedure that can be done in minutes with just a few tools. By following the steps outlined in this guide, you can avoid the inconvenience of a malfunctioning key fob and keep your Jetta running smoothly.

FAQ

How often should I change my VW Jetta key fob battery? Typically, every 2-3 years, but more frequently if you heavily use the remote functions.
Where can I buy a CR2032 battery? Most electronics stores, pharmacies, and online retailers.
What do I do if my key fob still doesn’t work after replacing the battery? Try re-synchronizing the key fob with your vehicle. Your owner’s manual should have instructions.
Can I damage my key fob by changing the battery myself? It’s unlikely if you follow the steps carefully and use the correct tools.
Is it cheaper to change the battery myself or go to a dealership? Changing it yourself is significantly cheaper.
How do I know if my key fob battery is low? You might notice reduced range or unresponsive buttons.
What tools do I need to change the battery? A small flat-head screwdriver or the tip of your key blade.

Common Scenarios

Key fob buttons work intermittently: This often indicates a low battery.
Key fob completely unresponsive: This could be a dead battery or a synchronization issue.
Key fob works close to the car but not from a distance: This suggests a weakening battery.

Other Helpful Resources

Key Fob Programming and Troubleshooting Guide
Understanding Your Car’s Immobilizer System

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