addEventHandler("onClientVehicleExit", getRootElement(),
function()
stopRadio()
end)

function scroll (key, keystate)
	if key == "radio_next" or key == "mouse_wheel_up" then
		setRadioChannel (0)
	elseif key == "radio_previous" or key == "mouse_wheel_down" then
		setRadioChannel (0)
	end
end
bindKey ("radio_next", "both", scroll)
bindKey ("radio_previous", "both", scroll)

addEventHandler("onClientVehicleExit", getRootElement(),
function(thePlayer)
if thePlayer == localPlayer then
stopRadio()
end
end)