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When is it Time to Replace a Car Key Battery?
When is it Time to Replace a Car Key Battery?

When is it Time to Replace a Car Key Battery?

When is it Time to Replace a Car Key Battery?

The car key and its security system have come a long way. From the traditional mechanical keys to fobs, and smart keys using batteries. No wonder vehicle owners think that the battery is the life wire of most electronic gadgets.

Therefore, it has become more crucial than ever to ensure that the battery in your car key is in peak condition. Having a car key fob with a dead battery can leave you with inconveniences.

But then, how do you know when it is time to replace your car key battery? The experts at QuickPro Locksmith will help you identify these signs and proffer solutions to them. If you need key fob programming or other locksmith services, kindly contact us.

Some Red Flags About Your Car Key Battery

  • Unresponsive Buttons

Did you notice that the buttons on your key fob aren’t working efficiently? This means that the battery is low. Quickly replace the battery to avoid being locked out.

  • Reduced Range

Must you stay very close to your car before the key fob could function? This could state that you need to change the battery.

Worse still, a reduction in range implies a dying battery.

  • Dashboard Alerts

Some cars light up an inscription on the dashboard whenever the battery of the key is low. Pay attention to these signals.

  • Inconsistent Performance

A car key fob with low battery power might work for a short period. Then, It also has the disadvantage of being irregular, which can be annoying.

Steps to Replace Your Car Key Battery

  • Determine Your Key Type

Check whether your car key is a traditional key or a smart key fob.

Traditional keys have removable key blades. Smart keys include buttons for locking, unlocking, and starting the car.

  • Access the Battery Compartment

For smart key fob systems, look for a slit or groove at the joining point of the two halves. You will need a coin or flathead screwdriver to pry open the fob to access the battery area.

  • Replace the Battery

The coin cell battery is a common type of battery used in key fobs. Examples include CR2032, CR2450, CR2016, and CR2025. Take out the worn-out battery and place it as fast as possible. Slide the fob back over the connector and ensure it clicks into place.

  • Test Key Functions

Make sure all buttons work. Also, check that the key can connect with the car.

Caring for Your Key Fob

The average key Fob battery life depends on how often it is used and its features. Most standard car remotes last for about 3-4 years. Here are some tips to make sure your battery lasts as long as possible:

  • Avoid extreme temperatures.

Do not expose your car's remote to high heat or leave it in the cold for long. This can harm the battery and you keep requesting for car key replacement.

  • Keep your keychain light.

If it has lots of heavy items, they may stress the car key remote.

However, if the car key fails due to remote programming issues, you may need the experts from QuickPro Locksmith to fix it.


Do you need a car key copy? QuickPro Locksmith is your suitable bet. Not just that, we also offer car key replacement services, feel free to contact us. We are here to help!