What if Your New Remote Car Key Stops Working?

Car Key Replacement

We are fortunate to have the convenience of a remote car key. Those days of fumbling for keys in the weather or spending hours looking through your purse are gone. But what happens when your new key fob fails, locking you out of your car? Cool down! This is not an unusual situation, and there are solutions. 

Check the Battery 

A dead or weak battery is the most common cause of a malfunctioning remote car key. These small batteries drain over time with constant usage. To resolve this issue, first verify the battery within your key fob. If it appears worn or damaged, replace it.

Make sure you get the right battery type, which is often a CR2032 or CR2025 (see your key fob handbook for confirmation). When replacing the battery, be sure to match the positive and negative sides to the markings within the fob. Then, test the key by locking and unlocking your vehicle. 

Reprogram the Key Fob 

Sometimes the key fob loses connection with the car’s receiver, it may need reprogramming. While the procedure varies by manufacturer, the basic steps are as follows: 

  • Check the manual. The owner manual for your vehicle will include detailed instructions for reprogramming the key fob. 
  • Follow the Steps: This usually involves placing the key into the ignition, turning it to the “on” position without starting the engine, and then pushing the lock button on the fob. You may need to perform this numerous times or in a particular order. 
  • Seek Professional Help: If DIY reprogramming fails, go to your dealership or a professional locksmith who can reprogram the key fob with specialized equipment. 

Check for Signal Interference 

Electronic interference may sometimes hinder the communication between your remote car key and your vehicle. Try to stay away from probable sources like microwaves, Wi-Fi routers, and other major equipment that may produce radio frequencies. If you’re in a car park or area with several devices, relocating to a different location may resolve the issue. 

Inspect the Key Fob for Damage 

Physical damage might be the reason why your key fob isn’t working. Examine the fob for cracks, damaged buttons, and evidence of water damage. Give it a slight shake to check for any loose bits rattling inside. If you discover any of these issues, a car key replacement may be necessary. Contact your dealership or an automotive locksmith to get a new one programmed into your vehicle. 

Check Your Car’s Receiver 

Do not rule out your automobile just yet! If changing the battery and testing for interference does not resolve the issue, the problem may lie with the car’s receiver. If you have a spare key fob, try using that instead. If both fobs are unresponsive, it’s a sign that the car’s receiver needs servicing. Visit a competent technician or your car dealership for testing and repair. 

Reset the Car’s Electronics 

In some cases, a quick reset of your vehicle’s electrical system could solve communication problems between the key fob and receiver. To test this, carefully detach the negative terminal of the vehicle’s battery. Wait at least 15 minutes to let any remaining battery drain. Then, reconnect the battery terminal and test your key fob to ensure it operates properly. 

Consult Your Car’s Warranty 

If your automobile is new, your remote key fob may be covered under warranty. Check your car’s warranty records and see if it includes the key fob. If so, call your dealership to schedule a key replacement for your defective key fob. It may save you time and money compared to other troubleshooting methods. 

Hire Professional Help 

If you’ve tried all the troubleshooting ideas above and your remote key is still unresponsive, it’s time to call in the experts. Automotive locksmiths are trained experts who can identify the source of the problem and restore your key fob’s functionality. They provide services like reprogramming old fobs, fixing defective ones, and even making car key replacement for your vehicle. 

Preventive Measures 

How to avoid future issues with your remote car key 

  • Keep the key fob clean and dry by avoiding contact with water and cleaning it regularly. 
  • Use a protective cover. Buy a protective cover to keep it safe from physical damage. 
  • Always have a spare key and test it regularly to ensure it functions properly. 

Is Your Brand-New Remote Key Giving You Trouble? 

Fast Response Locksmith is the automotive locksmith you can trust. Our licensed technicians are key fob technology specialists with up-to-date equipment and training to diagnose any issue, from reprogramming to sophisticated repairs. We can also make new key fobs on-site for most makes and models. So, if your car’s remote key is throwing a fit, don’t hesitate to call Fast Response Locksmith. We will have you opening your car in no time!