You can try this:
open diMkaWA_P174_TomSoft_(a).zip\ui_igo9\common\ui (with winrar version < v.4)
file customized.lua (edit with notepad) search line
sc_wSetNavCarPosY(sc_wscale_fit(uiResH,position,100))
and modify:
sc_wSetNavCarPosY(sc_wscale_fit(uiResH,position,94))
Exit and save.