You can set the opening key by editing the vehcontrol/client.lua
file
Find they keycode for the key you want to use, the current key is ]
with the keycode value of 40
You can get the keycodes by visiting this site and looking up the keys
Modify the keycode number on line 11
like below
if ( IsControlJustReleased( 0, 40 ) or IsDisabledControlJustReleased( 0, 40 ) ) and GetLastInputMethod( 0 ) then -- Key to open NUI https://docs.fivem.net/docs/game-references/controls/
openVehControl()
end
File: https://github.com/Manvaril/vehcontrol/blob/master/client.lua