Im new and i dont understand how to use the diamond shape remote. It consists of three buttons: 1) to open boot 2) the BMW logo 3) =>I somehow dont understand how 2) and 3) work even after reading the manual.May I know how the sifus here lock their car?May i know if u manually put the key into the door and turn it?Can the sifus explain in the simplest way of how 2) and 3) work?My apologies for asking such a noob question. This is my first conti car btw 