How to Change Volvo Key Fob Battery

Changing the battery in your Volvo key fob is a straightforward task that you can perform at home with minimal tools.

This guide will provide detailed instructions on how to identify the signs of a weak battery, determine the correct replacement battery, and complete the battery change process for various Volvo models.

Published: June 1, 2024.

First Signs of Weak Volvo Key Fob Battery

The initial signs that your Volvo key fob battery is nearing the end of its life can be quite subtle. You may notice that the range at which the fob operates is reduced, requiring you to be closer to your vehicle to unlock the doors or start the engine.

Another common indicator is inconsistency in the fob’s performance, such as intermittent functionality or the need to press buttons multiple times to achieve a response.

If your vehicle has a push-button start feature, a weakening battery might result in the car not recognizing the fob, displayed by a warning light or message on the dashboard suggesting to check the key fob battery.

Most Common Key Fob Batteries

The most frequently used batteries in Volvo key fobs are CR2032 and CR2450 lithium coin batteries. These batteries are favored for their longevity and reliability, typically lasting several years before needing replacement.

It is important to use high-quality branded batteries for replacements to ensure optimal performance and avoid damage to the key fob’s internal components.

How to Change Your Volvo Key Fob Battery

Changing the battery in your Volvo key fob is a simple process:

• Locate the Seam: Most Volvo key fobs have a seam where the two halves of the plastic casing meet.
• Open the Casing: Using a small flathead screwdriver or a similar tool, gently pry apart the casing at the seam. Be careful not to apply excessive force to avoid damaging the fob.
• Remove the Old Battery: Once open, identify the battery and carefully remove it. Take note of the battery’s orientation before removal to ensure the new battery is installed correctly.
• Insert the New Battery: Place the new battery in the same orientation as the old one. Make sure it sits firmly in the battery slot.
• Close the Fob: Align the two halves of the fob and press them together until they snap securely into place.

Popular Volvo Models and Their Key Fob Batteries

• Volvo XC90, XC60, and XC40: These models generally use a CR2032 battery.
• Volvo S90 and S60: These sedans typically require a CR2450 battery.
• Volvo V60 and V90: These models, including their Cross Country variants, usually use a CR2032 battery.

Always refer to your owner’s manual or contact your local Volvo dealership to confirm the correct battery type for your specific model.

Do You Have To Reprogram the Volvo Key Fob After the Battery Replacement?

In most cases, you will not need to reprogram your Volvo key fob after changing the battery.

The fob should resume normal operation as soon as the new battery is installed.

Volvo Key Fob Not Working After Battery Change

If your Volvo key fob is not working after a battery change, it can be frustrating. However, this issue is often easily remedied by following a few troubleshooting steps.

Understanding the common reasons why a key fob might fail to operate correctly after a new battery has been installed can help you quickly resolve the problem.

First, ensure that the new battery is installed correctly. The battery should be placed with the positive side facing the correct direction as indicated in the key fob’s battery compartment. Incorrect installation can prevent the battery from making proper contact, thus disabling the fob. It's also worth checking that the battery compartment is clean and free from any dust or debris that could interfere with electrical connectivity.

Another common issue could be the use of a low-quality or defective battery. Even if new, some batteries can come with a diminished charge or could be faulty. Try replacing it with another new battery, preferably from a reputable brand, to rule out a battery defect.

If the key fob still does not work, the problem might be with the key fob itself. The internal components or the circuit board could have been damaged or dislodged during the battery replacement process. Carefully open the fob again and check if there are any visible signs of damage or any loose components. Ensure that all parts are securely in place and that the battery contacts are not bent or broken.

If these steps do not resolve the issue, it may be necessary to reset the key fob or have it reprogrammed. Although reprogramming is not typically required after a battery change, certain situations or prolonged periods without a battery might necessitate this step.

Consult your Volvo’s owner manual for guidance on resetting or reprogramming the key fob, or contact your local Volvo dealership for professional assistance.

How to Start Volvo With Dead Key Fob Battery?

Starting your Volvo with a dead key fob battery can seem challenging, but Volvo vehicles are equipped with a backup method to ensure you can still operate your car. Knowing how to bypass the dead battery in your key fob can save you from being stranded and help maintain access to your vehicle's functionality.

For most modern Volvo models, there is a built-in solution to start the engine even if the key fob battery is completely dead. The first step is to locate the key slot inside the vehicle.

While some models may have a visible slot, others might have a hidden area or a designated spot where the key fob needs to be held or placed. This is often in the center console, near the cup holders, or directly on the steering column.

If your Volvo has a push-button start, you can typically hold the dead key fob against the designated area, which is usually marked with a key symbol or outlined on the console. Press the key fob against this spot, and then press the start button as you normally would.

The car’s system is designed to detect the key fob’s transponder directly through physical contact, bypassing the need for a functional battery.

In models where a physical key is integrated into the key fob, you might have to use it to start the car. The physical key can be used to unlock the driver’s door manually.

Look for a keyhole either on the door handle or close to it, which might be concealed behind a removable cover. Once inside, some models require inserting the key into an ignition switch, whereas others may still use the push-button method combined with holding the key fob near the button.

If these methods do not work, it is advisable to consult your vehicle’s owner manual, which will provide detailed instructions specific to your model’s year and make.

This manual is a valuable resource for understanding all emergency procedures, including how to handle a dead key fob battery.

Replacing the battery in your Volvo key fob is a maintenance task that you can easily undertake on your own.

Regularly checking the fob’s functionality and replacing the battery when needed ensures that you will continue to enjoy the convenience and security features offered by your Volvo vehicle without interruption.

However, if the fob does not work after the battery replacement, consult the owner’s manual or contact a professional.