Key Fob Doesn’t Work in the Morning? Quick Fixes and Tips to Try!

Imagine waking up early in the morning, getting ready to head out, and finding your key fob doesn’t work.

You might wonder if the issue is with your key fob or something else, such as your car battery.

This article will explore possible reasons why your key fob may not be working in the morning and potential solutions to address this inconvenience.

One possible cause of a malfunctioning key fob in the morning is an aging 12V battery. As the battery weakens overnight, the fob’s reception may be affected, leading to inconsistent functionality.

Another factor could be the range and position of the remote keyless entry antenna, affecting the fob’s communication with your car.

While it might be frustrating to deal with a non-functioning key fob in the morning, understanding the causes and solutions can make your mornings run smoother.

Keep reading for helpful tips on maintaining your key fob and ensuring a hassle-free start to your day.

Key Fob Doesn't Work in the Morning

Common Reasons Your Key Fob Doesn’t Work in the Morning

Battery Issues

One common reason for a key fob not working in the morning is a weak or dying battery. Battery voltage may drop overnight, causing the fob’s transmitter to malfunction. Replacing the battery can often solve this issue.

Cold Weather Effects

Extreme cold can also affect the performance of your key fob’s battery. Chemical reactions within the battery slow down in colder temperatures.

As a result, the battery may not provide enough power to the key fob during morning hours. Keeping the key fob in a warmer environment can help alleviate this issue.

Also read: Saturn Ion Key Stuck in Ignition: Quick Fix Solutions to Try Today

Electrical Problems

Electrical problems within your car or key fob could also contribute to morning dysfunction. Aging components can cause intermittent issues that appear more pronounced in the morning.

In such cases, a professional diagnosis by a mechanic or dealership is recommended to determine the root of the problem.

Key Fob Doesn't Work in the Morning

Troubleshooting Key Fob Issues

Check the Fob Battery

A common cause of key fob issues is a dead battery. If your key fob doesn’t unlock or lock your car, try replacing the battery in your key fob. Ensure you’re using the correct type and size.

Examine Key Fob Range

Another potential issue is reduced key fob range, especially during cold weather. If you move closer to your car, the signal reach may improve.

Test the Physical Key

If the key fob still doesn’t work, use the physical key to unlock your car. Doing so can help determine whether the issue lies with the key fob or the car itself.

Solutions to Fix Your Key Fob

Replace the Fob Battery

A common reason for a key fob not working is a dead battery. The key fob battery is essential for keyless entry and needs to be replaced periodically.

To replace the battery, open the fob, and insert a new battery, making sure it’s facing the right way.

Reprogram Your Key Fob

Sometimes, the key fob may become deprogrammed. In this case, reprogramming the key fob is necessary. Check your car’s owner’s manual for specific instructions.

Check for Interference and Signal Issues

Radio signal interference can cause the key fob to lose connection with the receiver in your car. If your key fob is not working, be sure to check for interference from nearby devices or physical obstructions.

Inspect and Replace Fuses

In rare instances, a key fob may not work due to a blown fuse. Inspect the fuses related to the keyless entry system and door lock system.

You may need to replace any damaged fuses.

Key Fob Doesn't Work in the Morning

Maintaining Your Key Fob

Keep Your Key Fob Dry

It’s important to protect your key fob from moisture. Electronics, including keyless remotes, can malfunction in wet conditions. Make sure your key fob stays dry by avoiding exposure to water, rain, or other liquids. If your key fob does get wet, dry it off thoroughly and as quickly as possible.

Regularly Replace the Fob Battery

Your key fob might not work in the morning if its battery is running low. To prevent this, replace the fob battery regularly, as per the manufacturer’s recommendations. This will ensure that your remote start functions and radio frequency signals remain strong.

Protect Your Key Fob from Physical Damage

Just like any other electronic device, your key fob can be damaged by physical impacts. To keep your smart key functioning properly, avoid dropping it or subjecting it to other forms of physical stress.

You can also purchase a protective case to help safeguard your fob from accidents.

By taking care of your key fob, you can ensure that it continues to function optimally and helps you use your car securely and conveniently.

When to Seek Professional Help

Visit a Dealership

If your key fob doesn’t work in the morning, it could be due to a variety of reasons such as a weak car battery or a problem with the ignition system. It may be wise to visit a dealership to get a thorough diagnosis.

Consult Your Car’s Manufacturer

Refer to your car owner’s manual or contact your car’s manufacturer. They can provide guidance on common issues related to key fobs for your vehicle model. Depending on your warranty, they might even replace items like the hatch if it’s affected.

Don’t hesitate to ask for help, as they are knowledgeable about their products and can assist you in resolving your key fob issues in the morning.

Footnotes

  1. Source: https://blogproautomotive.com/key-fobs-not-working-in-the-morning/ 2

  2. https://blogproautomotive.com/

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Sean Mendez

Hi, I am Sean, a self-confessed petrolhead. I live in Boise, Idaho with a busy family of four and our energetic Labrador retriever. Thank you for visiting my website. You can find my email on the contact page.

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