Yet another simple prob rotation

i have this code to rotate left and right



package jmetest.flagrushtut.lesson8.actions;



import com.jme.input.action.InputActionEvent;

import com.jme.input.action.KeyInputAction;

import com.jme.math.*;

import jmetest.flagrushtut.lesson8.Vehicle;



public class VehicleRotateAction extends KeyInputAction

{