AT grenade button disappeared

[jools]

Hey, the problem is I somehow managed to lose the AT grenade button from the central panel. I still can throw those grenades using F2 but to actually see if i have any i have to check the inventory. Any ideas how i can get that button back?

[SpeedWolf]

Look at the video to add or remove the icon,

http://www.youtube.com/watch?v=LR7P1IpNlg8&feature=channel_video_title