In addition to the basic functions, the Chrysler smart key also has some more convenient functions.Anti-Theft Security: The smart key incorporates advanced security measures to protect against theft. It typically contains a unique electronic code that must match the code recognized by the car's immobilizer system for the engine to start. This feature acts as a deterrent, enhancing the overall security of the vehicle. Convenience Features: Some Chrysler smart keys may offer additional convenience features. For example, they may include integrated buttons to open the trunk or control certain vehicle functions. These added functionalities provide convenience and simplify the operation of the vehicle.