//on
(vehicle player) spawn RHS_fnc_Afterburner_Activate;
(vehicle player) setVariable ['RHS_Afterburner_On', true];

//off
(vehicle player) setVariable ['RHS_Afterburner_On', false];

//fix???? Not sure. Haven't touched these scripts since 2017
_player = call RHS_fnc_findPlayer;
if (hasInterface) then
{
	(findDisplay 46) displayRemoveEventHandler ["keydown", _player getVariable ["RHS_Afterburner_KeyDown", -1]];
	(findDisplay 46) displayRemoveEventHandler ["keyup", _player getVariable ["RHS_Afterburner_KeyUp", -1]];
};
_player setVariable ["RHS_Afterburner_KeyDown", -1];
_player setVariable ["RHS_Afterburner_KeyUp", -1];