I cant get my unit to work!! its asking for a code. its not stolen, i tied Kcar, Well i tried to. I dont know how to put that code in. Im frustrated. I held volume button and display at the same time on my remote nothing happens. I read online thats how you put in the code. I would really appriciate if someone can help me figure this out. I dont really have the extra money to ship it too kenwood to fix my problem.