This remote control system provides secure, convenient control of doors, ignition and trunk for most 12V vehicles. Key benefits Remote locking: Lock doors from a distance with the press of a button. The horn sounds and the indicator lights flash. Range up to about 40 meters; real distance depends on the environment. Onebutton start: A simple, repeatable sequence to manage ignition and power with a single button. Press in the prescribed to activate ignition, enable electrical power, or shut down the system as needed. Remote start: Start the engine from up to 40 meters by pressing and holding the tail box button together with the lock button for 3 seconds. When remote start is active, you can stop the engine remotely if required. Open trunk: Open the trunk by holding the remote trunk button or function button for 2.5 seconds. Range up to about 40 meters. Compatibility and build: Compact control module designed for standard 12V vehicle electrical systems; durable housing and reliable performance. Professional installation is recommended for results. Use scenarios Winter mornings: start remotely to warm the cabin and defrost the windshield before you reach the car. Grocery runs: lock doors and open the trunk from a distance to load groceries quickly and safely. Parking lots: secure entry with audible horn feedback and lights, then access the trunk for easy loading after shopping.