DivX video showing download & installing the CLIQUE addon used to interact with GRID using mouse+keys.
This is NOT part of GRID, but a stand-alone addon, and you do not need GRID to use it.
CLIQUE can work on virtually ANY unitframes
To download AVI-file by saving file from this link: here.

If needed, rename filename to *.AVI to play in any video player software.

Video require ACTIVEX to play. So make sure you allow it for this website to stream videos.