Experiencing a “Key Not Detected” message on your Ford F-150 Lightning dashboard can be frustrating, especially when your key fob is right in your pocket. Like many modern vehicles, the Lightning relies on a battery-powered key fob to communicate with the car. If you’re suddenly seeing this warning, it might be time for a key fob battery replacement.
My own 2023 F-150 Lightning, purchased in May 2024, gave me this exact surprise just six months later in November. Having learned from a similar experience with my wife’s car, I knew it was crucial to address this promptly. While a year might seem like a short lifespan for a key fob battery, these things can happen.
The important thing to note for Ford F-150 Lightning owners is that the key fob battery isn’t the commonly expected CR2032. Instead, your Lightning’s key fob requires a CR2450 battery. This is a detail easily overlooked, especially if you’re used to other car models or garage door openers that use the more common CR2032.
To confirm this and for future reference, the owner’s manual clearly specifies the CR2450 battery type for the Ford F-150 Lightning key fob, as shown in these screenshots:
So, if you’re searching for a Key Fob Battery For your Ford F-150 Lightning, make sure you’re looking for the CR2450. This quick tip can save you a trip to the store for the wrong battery and get you back on the road with a reliably working key fob.
