How to Replace Volkswagen Key Fob Battery Safely and Easily

Replacing the battery in a Volkswagen key fob is a simple task, but it’s important to follow the correct steps to avoid damaging the key fob or the battery. In this article, we’ll walk you through the process of replacing the battery in a Volkswagen key fob, providing detailed instructions and helpful tips to ensure a smooth and successful experience.

Before replacing the battery, make sure you have a new CR2032 battery on hand. This is the type of battery commonly used in Volkswagen key fobs. Additionally, gather a small Phillips head screwdriver or a thin flathead screwdriver to open the key fob. With the necessary tools and materials at your disposal, you’re ready to embark on the battery replacement process.

To open the key fob, insert the screwdriver into the small notch located on the side or bottom of the fob. Gently pry the two halves apart, taking care not to damage the plastic housing. Once the fob is open, you’ll see the battery inside. Use a small tool, such as a toothpick or tweezers, to carefully remove the old battery. Be sure to dispose of the old battery properly, according to local regulations. Now, insert the new CR2032 battery into the fob, ensuring the positive side of the battery is facing up. Press the battery down firmly into place.

Locating the Key Fob Battery Compartment

The key fob battery compartment in a Volkswagen vehicle is typically located in one of two places: either inside the fob itself or within the vehicle’s dashboard. To determine the exact location of the compartment in your specific Volkswagen model, consult your vehicle’s owner’s manual or refer to the following detailed instructions.

Inside the Key Fob

Many Volkswagen key fobs have the battery compartment located inside the fob itself. To access this compartment, follow these steps:

Locate the release button. Look for a small button or lever on the back or side of the key fob. This button will release the key from the housing.
Press the release button. Gently press the release button and pull the key away from the fob. The key and fob should now be separated.
Find the battery compartment. Once the key is removed, you will see the battery compartment door. It is usually located on the back of the fob.
Open the battery compartment. Use a small screwdriver or your fingernail to gently pry open the battery compartment door.
Replace the battery. Remove the old battery and insert the new battery in its place. Make sure to align the positive and negative terminals correctly.
Close the battery compartment. Securely close the battery compartment door and snap it into place.
Reassemble the key fob. Insert the key back into the fob and press it firmly until it clicks into place.

Inside the Dashboard

Some Volkswagen models have the key fob battery compartment located inside the vehicle’s dashboard. To access this compartment, follow these steps:

Locate the storage compartment. On the dashboard, find the storage compartment or glove box.
Open the storage compartment. Pull or push open the storage compartment to reveal its contents.
Find the key fob slot. Within the storage compartment, look for a designated slot or holder for the key fob. It may be located on the side or back of the compartment.
Insert the key fob. Gently insert the key fob into the designated slot.
Locate the battery compartment. Once the key fob is inserted, you should see the battery compartment door. It is usually located on the back or side of the key fob.
Open the battery compartment. Use a small screwdriver or your fingernail to gently pry open the battery compartment door.
Replace the battery. Remove the old battery and insert the new battery in its place. Make sure to align the positive and negative terminals correctly.
Close the battery compartment. Securely close the battery compartment door and snap it into place.
Remove the key fob. Once the battery has been replaced, gently pull the key fob out of the designated slot.
Close the storage compartment. Securely close the storage compartment or glove box.

Battery Replacement Tips

Here are a few tips for replacing the battery in your Volkswagen key fob:

Use the correct battery type. Consult your vehicle’s owner’s manual to determine the correct battery type for your key fob.
Replace the battery promptly. If the key fob battery is low, it will affect the fob’s performance and range. Replace the battery as soon as possible to avoid any inconvenience.
Test the key fob. After replacing the battery, test the key fob to make sure it is functioning properly. Press the buttons and check if the signals are being transmitted correctly.

Battery Information

The table below provides the battery types commonly used in Volkswagen key fobs:

Key Fob Model	Battery Type
Golf	CR2032
Tiguan	CR2025
Atlas	CR2016
Jetta	CR2032
Passat	CR2025

1. Gather Your Materials

Before you begin, gather the following materials: a new CR2032 battery, a small flathead screwdriver, and a clean cloth. Your Volkswagen key fob may use a different type of battery, so be sure to check your owner’s manual to confirm.

2. Locate the Key Fob Battery Compartment

The battery compartment is typically located on the back or bottom of the key fob. Look for a small, rectangular cover that is held in place by screws or a snap-on mechanism.

3. Remove the Battery Compartment Cover

Use the small flathead screwdriver to gently pry open the battery compartment cover. Be careful not to damage the cover or the key fob.

4. Remove the Old Battery

Use your fingers or a pair of tweezers to remove the old battery from the compartment. Be careful not to touch the metal contacts on the battery with your fingers, as this can damage the battery.

5. Insert the New Battery

Insert the new battery into the compartment, making sure that the positive (+) side of the battery is facing up. The negative (-) side of the battery should be facing down.

6. Replace the Battery Compartment Cover

Replace the battery compartment cover and secure it with the screws or snap-on mechanism.

7. Test the Key Fob

Press one of the buttons on the key fob to make sure that it is working properly. If the button does not work, check to make sure that the battery is installed correctly and that the contacts are clean.

8. Reset the Key Fob (If Necessary)

If the key fob is still not working properly, you may need to reset it. To do this, insert the key into the ignition and turn it to the “on” position. Then, press and hold the “lock” button on the key fob for 10 seconds. Release the button and turn the key to the “off” position. Remove the key and try using the key fob again.

9. Additional Tips for Replacing a Volkswagen Key Fob Battery

Here are some additional tips for replacing a Volkswagen key fob battery:

a. Use a New Battery

Always use a new battery when replacing the key fob battery. Old batteries can leak and damage the key fob.

b. Handle the Battery Carefully

Do not touch the metal contacts on the battery with your fingers. This can damage the battery.

c. Clean the Battery Contacts

If the battery contacts are dirty or corroded, clean them with a cotton swab dipped in rubbing alcohol.

d. Check the Key Fob Regularly

Check the key fob regularly to make sure that the battery is still working properly. A weak battery can cause the key fob to not work properly or to become damaged.

e. Replace the Battery Even if the Key Fob Is Working

Even if the key fob is still working, it is a good idea to replace the battery every few years. This will help to prevent the battery from leaking and damaging the key fob.

Key Fob Model	Battery Type	Battery Life
Volkswagen Golf (2015-2021)	CR2032	3-5 years
Volkswagen Jetta (2019-2022)	CR2025	2-4 years
Volkswagen Tiguan (2018-2023)	CR2016	1-3 years

How To Replace Volkswagen Key Fob Battery

Materials you’ll need:

A new CR2032 battery
A small flathead screwdriver or similar tool

Steps:

Locate the key release button on the back of the key fob.
Press the button and pull the metal key out of the fob.
Use the flathead screwdriver to gently pry open the back cover of the key fob.
Remove the old battery and insert the new one, positive side up.
Close the back cover of the key fob and snap it into place.
Reinsert the metal key into the fob and press the key release button to lock it in place.
Test the key fob to make sure it’s working properly.

Troubleshooting

If the key fob is still not working after replacing the battery, try the following troubleshooting tips:

Make sure the new battery is inserted correctly, with the positive side up.
Clean the battery contacts with a cotton swab and rubbing alcohol.
If the key fob has been submerged in water, dry it thoroughly with a hair dryer set on low heat.
If the key fob is still not working, there may be a problem with the key fob itself. Contact your Volkswagen dealer for assistance.

Future Trends in Volkswagen Key Fob Battery Design

Increased Battery Life:

Future Volkswagen key fobs are expected to have increased battery life, lasting up to 10 years or more. This will be achieved through the use of more efficient battery technology and improved battery management systems.

Wireless Charging:

Volkswagen is exploring the possibility of wirelessly charging key fobs. This would eliminate the need to replace batteries, providing added convenience for drivers.

Integrated Fingerprint Sensor:

Key fobs with integrated fingerprint sensors could provide an additional layer of security, preventing unauthorized use of the vehicle.

Smartphone Integration:

Key fobs may become more integrated with smartphones, allowing drivers to lock and unlock their vehicles, start their engines, and check vehicle status remotely.

Voice Control:

Voice control could be integrated into key fobs, enabling drivers to perform various tasks, such as locking and unlocking their vehicles, by speaking commands.

Additional Features:

Future key fobs may also incorporate additional features, such as:

Remote parking assist
Vehicle diagnostics
Emergency roadside assistance

Sustainability:

Volkswagen is committed to sustainability, and future key fobs are expected to be designed with eco-friendly materials and processes.

Benefits of Using Genuine Volkswagen Key Fob Batteries

When it comes to replacing the battery in your Volkswagen key fob, there are several benefits to using a genuine Volkswagen battery over an aftermarket option.

Guaranteed Compatibility: Genuine Volkswagen batteries are specifically designed and tested to work seamlessly with your vehicle’s key fob system, ensuring optimal performance and reliability.
Extended Battery Life: Volkswagen batteries are manufactured to meet the highest quality standards, providing extended battery life compared to aftermarket options, reducing the frequency of replacements.
Enhanced Security: Genuine Volkswagen batteries are integrated with the vehicle’s security system, ensuring compatibility and maintaining the highest level of security.
Peace of Mind: Using a genuine Volkswagen battery provides peace of mind, knowing that your key fob is operating with the same performance and reliability as the original.
Warranty Protection: Genuine Volkswagen batteries come with a manufacturer’s warranty, ensuring your investment is protected in case of any defects or malfunctions.

47. Step-by-Step Guide to Replacing Volkswagen Key Fob Battery

Materials Required:

New Volkswagen key fob battery
Small Phillips head screwdriver
Small pry tool (optional)

Instructions:

Locate the key fob battery compartment: The battery compartment is typically located on the back or side of the key fob.
Remove the screws: Use the Phillips head screwdriver to remove the screws securing the battery compartment cover.
Open the battery compartment: Gently pry open the battery compartment cover using a small pry tool (optional).
Inspect the old battery: Carefully remove the old battery and inspect it for any corrosion or damage. Note the orientation of the battery for correct replacement.
Insert the new battery: Place the new battery into the compartment with the positive (+) terminal facing up and the negative (-) terminal facing down.
Close and secure the battery compartment: Replace the battery compartment cover and secure it with the screws.
Test the key fob: Press the buttons on the key fob to confirm that it is functioning correctly.
Reset the key fob (if necessary): Some Volkswagen key fobs may require resetting after replacing the battery. Refer to your vehicle’s owner’s manual for specific instructions on how to reset the key fob.

Additional Tips:

If you encounter any difficulties while replacing the battery, consult your vehicle’s owner’s manual or seek professional assistance.
Dispose of the old battery properly at designated electronic waste disposal facilities.
Always keep a spare key fob battery on hand in case of emergencies.

Battery Type	Voltage	Capacity
CR2032	3V	225mAh
CR2025	3V	165mAh

Volkswagen vehicles that use CR2032 batteries: Jetta, Golf, Passat, Tiguan, Atlas
Volkswagen vehicles that use CR2025 batteries: Touareg, Phaeton, Sharan

How to Replace Volkswagen Key Fob Battery

Replacing the battery in a Volkswagen key fob is a simple and inexpensive task that can be done in a few minutes. Here are the steps on how to do it:

Locate the key fob battery. The battery is typically located inside the key fob, either under a small cover or behind a latch.
Open the key fob. Use a small screwdriver or coin to pry open the key fob. Be careful not to damage the key fob.
Remove the old battery. Once the key fob is open, locate the battery and remove it.
Insert the new battery. Replace the old battery with a new one of the same type. Make sure that the battery is facing the correct direction.
Close the key fob. Once the new battery is inserted, close the key fob and snap it back together.

Test the key fob

Once the new battery is installed, test the key fob to make sure it is working properly. Press the buttons on the key fob and see if they work. If the key fob is not working, check the battery to make sure it is installed correctly. You may also need to replace the battery if it is old or damaged.