We sell all Buick smart remote control keys, such as Buick Encore, Buick Regal, Buick Lacrosse, Buick Envision, and Buick Enclave, we have keys for these models and so on. The Buick smart key incorporates advanced security measures, including a transponder chip that communicates with the car's immobilizer system. This ensures that only the authorized key can start the engine, providing protection against theft. Additionally, the key often integrates with BMW's smartphone app, allowing the owner to remotely monitor the vehicle's status, locate it, and even control certain functions through their mobile device. Overall, the Buick smart car key combines convenience, security, and connectivity, providing a seamless and enhanced driving experience for Buick owners.