Changing a key battery in a ford is all about the key or fob type.
Ford fusion key battery low.
If the new battery is working properly you should see the parking lights flash and hear the door locks opening or closing.
How to change the 2017 2018 2019 ford fusion smart fob key battery.
Remote start lock unlock open and close liftgate and panic.
In this article we will show you how you can open the door on your ford using the metal blade.
Be sure to record the battery change in your vehicle s service records.
The modern large smart fob for the fusion requires a cr2450 battery to operate it s features.
To test the new key fob battery stand near your fusion and press the unlock or lock buttons.
Ford has been using key fobs to unlock it s cars and trucks since at least it s 1993 ford explorer model.
The battery in the key fob is used for the transmitter for the button actions.
It is also constantly transmitting a low signal to the two receivers in the car to allow you to start it as long as the key is anywhere inside the car.
These instructions apply to multiple ford models such as fiesta mustang fusion edge and f150.
The larger cr2450 coin battery is a bit more expensive than smaller cr batteries but this one is simple to change.