When setting up for different cars what do I push so it's set up that certain one car and the settings stay with that one car I would like to label each car and save the settings to each car so I don't have to keep changing the settings everytime, do you know what I mean? Iv'e finally got all my cars in order and I would like set up the radio....Sorry for the dumb question

M1* RC8

M2* T4

M3* B44

M4* B4

M5* Slash