The button for switching on the electric mass for trucks, buses, tractors, agricultural machinery, special machinery, garden machinery. The start button is designed to turn on the engine heater, starter and control remote switches of the storage batteries. It is also suitable for cars to start the engine starter, the starter button will withstand the voltage of any starters of passenger cars. The ignition is turned on and the engine is started after pressing the START button. If the electronic key is in the car, it sends a code via the radio channel in the same way as it sent it when unlocking the doors. After this, the ignition is turned on, the starter is automatically started, and the engine starts.