This is as easy as changing some text in a file.
The first file is what's normally displayed, the second is what's displayed when you press Alt.
World_of_Tanks\res_mods\xvm\configs\Aslain\minimapLabels.xc
World_of_Tanks\res_mods\xvm\configs\Aslain\minimapLabelsAlt.xc
Look through the Alt file for the " "format": {" section, here's what it should look like after it's edited, using the {{name}} macro now instead of whatever was there before.
"format": {
"ally": "<span class='mm_a'>{{name}}</span>",
"teamkiller": "<span class='mm_t'>{{name}}</span>",
"enemy": "<span class='mm_e'>{{name}}</span>",
"squad": "<span class='mm_e'>{{name}}</span>",
"oneself": "",
"lostally": "<textformat leading='-3'><span class='mm_dot'>{{vehicle-class}}</span>\n<span class='mm_la'> <i>{{name}}</i></span><textformat>",
"lostteamkiller": "<textformat leading='-3'><span class='mm_dot'>{{vehicle-class}}</span>\n<span class='mm_lt'> <i>{{name}}</i></span><textformat>",
"lost": "<textformat leading='-3'><span class='mm_dot'>{{vehicle-class}}</span>\n<span class='mm_l'> <i>{{name}}</i></span><textformat>",
"lostsquad": "<textformat leading='-3'><span class='mm_dot'>{{vehicle-class}}</span><span class='mm_ls'> <i>{{name}}</i></span><textformat>",
"deadally": "<textformat leading='-3'><span class='mm_dot'>{{vehicle-class}}</span><textformat>",
"deadteamkiller": "<textformat leading='-3'><span class='mm_dot'>{{vehicle-class}}</span><textformat>",
"deadenemy": "<textformat leading='-3'><span class='mm_dot'>{{vehicle-class}}</span><textformat>",
"deadsquad": "<textformat leading='-3'><span class='mm_dot'>{{vehicle-class}}</span><textformat>"
},