Where to Get a Replacement for a Broken Car Key Button?

[Lewis]

There are generally two methods to replace a car key: one is to go directly to a car 4S store, and the other is to visit an auto parts market. Below is relevant information about car keys: Main Functions: In addition to controlling the opening and closing of car doors, car keys can also control the windows and the trunk. Working Principle: When the car owner presses a button on the key, the key emits a signal. This signal contains corresponding command information. The car's antenna receives the radio signal, and after authentication by the Body Control Module (BCM), the actuator performs the locking/unlocking action.