OK...I TRIED THE CODE AND IT STILL WONT WORK..I JUST GET THE REGULAR MENU NOT THE HIDDEN ONE...IS IT BECAUSE ITS A 9510? DO I HAVE TO DO SOMETHING SPECIAL WITH THE PARKING BRAKE? (ENGAGED OR NOT ENGAGED??) I GET THE BLUE SCREEN THEN WHEN I DO THE CODE IT STILL SAYS PARKING ON IT AND HAS THE REGULAR SETUP SCREEN..PLEASE HELP!!