tjgrindsted

Hi. Have read some topic here, and just so i know i have understand it right i have this question.. If i want to bypass the handbreak, so i can type in a distination when i drive, without touching the handbreak i need to Ground the Red handbreak wire is that true !?? i dont need to patch the F700 or do i also need to patch the F700 for this to work, and what patch/mode do i need to use !??