@Override
	public void actionPerformed(ActionEvent e) {
		JButton reduire = (JButton) e.getSource();
		System.out.println("Reduire vitesse");
		
		new Thread(new Runnable() {
			public void run() {
				try { Main.service.diminuerVitesse(bus); }
				catch (IOException e) { e.printStackTrace(); }
			}
		}).start();
	}