With the increased usage of technology, almost every facet of our lives now includes electronic devices to make life easier. And locking the automobile is no exception! In recent years, smart keys for cars have grown in popularity, offering convenience, excellent security, customized settings, and much more.

However, smart car keys rely on batteries to function, and just like any other electronic device, they can die. This can be frustrating, but replacing the battery is a fairly simple process.

In this guide, we'll cover how you can find dead smart key batteries and walk you through the steps to replace them yourself.

But before that, let’s have a look at the basics.

What are Smart Keys?

Smart keys are electronic devices that use infrared lights to control a car system via an automatic remote control. Smart keys allow drivers to access, lock, or start their vehicles using a discrete, encrypted signal provided via a key fob.

However, there is a diverse selection of contemporary automobile keys, each with its unique operating principle. Siemens first developed smart keys in the mid-1990s, and Mercedes-Benz deployed them in 1997 to replace the infrared security system, which debuted in 1989.

Related Read: Pros And Cons Of Smart Car Keys

What are the Benefits of Using Smart Car Keys?

There are various advantages to using smart car keys, but the most important is the convenience that these devices provide. You can effortlessly lock and unlock your car without using real keys. Many car manufacturers now include a smart key with their vehicles to provide customers with a more seamless experience.

Aside from its convenience, smart car keys have additional security measures, making it nearly impossible for thieves to copy your key. Some smart keys even include built-in alarms and immobiliser to increase security.

With a smart car key, you can have keyless entry and ignition. All you have to do is approach your car and it will open automatically. Once inside, push the start button to get started; no need to enter a key into the ignition.

Smart keys for cars also allow for customizable settings. You may program your key to modify the seat position, mirror eagles, and climate control settings to your liking.

Furthermore, switching from traditional keys to smart car keys increases your automobile's market value. Buyers are generally prepared to pay more for automobiles equipped with cutting-edge technology, ensuring a higher return on investment.

Common Signs that Your Smart Key Batteries Might be Dying

Now that you understand how useful a smart remote key can be, you must also understand that a key with a dead battery is useless. So, when is the best time to be proactive and replace the Smart Key battery?

There are a few signals that it's time to get a new battery for the smart car key. Here are some to look out for:

• Shorter remote range, for example, if the doors won't unlock until you're quite close to the vehicle.
• Some key fob buttons function occasionally.
• Warning message - Newer models may have a warning light or message indicating a low battery.
• No function - the key fob stops operating fully.

On average, smart key batteries last 2-4 years before needing to be replaced. If your key starts acting up, change the smart car remote battery as soon as possible to avoid canceled plans, last-minute delays, and scurrying around looking for the correct battery when you need to be someplace.

How You Can Change Smart Key Batteries

The procedure is straightforward once you've identified the warning indication and decided that your battery needs to be replaced. In general, the owner's manual has instructions for changing the batteries in your smart car keys.

When changing the batteries on your own, you will need a little flat or head screwdriver, and of course a fresh battery. The owner's manual for your automobile will tell you what type of battery you need for the smart key. The most popular battery types are CR2025 and CR2032.

This can be purchased in Auto Prats or Walmart stores. When unscrewing the fob, be careful because the small plastic bits are fragile and easily broken. To fully understand how to change the smart key batteries, follow these steps:

Step 1: Find out the Key Type and Battery

The very first step is to determine whatever type of key you have. Car keys come in a variety of shapes and sizes, and each may have a unique method of accessing the battery compartment. Once you've identified the key type, consult the user manual or do a fast online search to get the specific smart car remote battery model required for your key.

Step 2: Gather the Necessary Tools

Gather the equipment you'll need before beginning the key battery replacement process. To open the battery compartment, you typically require a small flathead screwdriver or a coin (such as a penny or a nickel). Some keys may also require a tiny screwdriver or precision screwdriver set.

Step 3: Locate the Battery Compartment

Now, find the battery compartment on your key. The battery compartment is primarily located on the key's backside. However, some keys may have a sliding cover or a secret compartment, so properly check the key to determine the access point.

Step 4: Open the Battery Compartment

Using an appropriate tool, such as a screwdriver, carefully open the key's battery compartment. Insert the tool into the corresponding slot or groove and use slight pressure to pry open the compartment cover. To prevent damage to the key or the battery compartment, do not use excessive force.

Step 5: Remove the Old Battery

When you open the battery compartment to change smart key batteries, you'll notice the old battery inside. Take note of the battery's orientation to ensure the new battery for the Jaguar XF smart key is installed appropriately. Remove the old battery from its location gently with your fingertips or a nonmetallic instrument. To liberate the battery, loosen any clips or small metal tabs that are holding it in place.

Step 6: Insert the New Battery

Now it's time to insert the fresh battery into the key. Take the new battery and carefully align it in the same position and orientation as the previous one. Check that the battery's positive and negative terminals align correctly with the marks within the battery compartment.

Step 7: Close the Battery Compartment

Once the new smart car remote battery is installed, shut the battery compartment by aligning the cover and forcing it back into place. If your key requires screws to secure the container, tighten them using the proper tool.

Step 8: Test the Key

Now that you’ve changed the smart key batteries and the battery compartment has been securely closed, you can test your key. Press any button on the key to see if it works properly. If the key still doesn't work, double-check the battery orientation and make sure it's properly installed.

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Conclusion

Changing the smart key batteries is a simple task that you can do yourself. By following the eight steps outlined above, you can save time and money by avoiding a visit to a locksmith or dealership.

However, you must exercise caution to avoid any accidental damage. Also, there are various automobile key types with intricate designs, making changing the battery a difficult process. In such cases, it is recommended to call a locksmith or a car dealership.

And if you're looking for a skilled automotive locksmith to help you install batteries in your car key, contact Keyenzy.

We, at keyenzy, collaborate with thousands of locksmiths in India to fulfill the needs of anyone looking for an expert to help them with keys and locks issues. But what do we exactly do? We connect you with a local and trusted locksmith within minutes.

Frequently Asked Questions

Q. What is the battery life of a smart key?

Ans. The life expectancy of a smart key battery is around 2-3 years.

Q. How long does a CR2032 battery last?

Ans. A CR2032 usually lasts for 4 years.

Q. What happens if my smart key dies?

Ans. You might need to use the physical key to unlock the car doors and possibly use a specific procedure to start the engine.

Q. How do I know if my smart key needs a new battery?

Ans. Signs include decreased unlocking/locking range, needing to press buttons multiple times, or a warning light on the dashboard.

Q. Can I use CR2025 instead of CR2032?

Ans. No, they have different sizes and capacities. Using the wrong battery could damage your key fob.

Q. Which battery lasts longer AAA or CR2032?

Ans. A CR2032 is a button cell designed for low-power devices and can last much longer than a AAA battery in a smart key.