FOREWORD [CAR-NAVIGATION SYSTEM]

SYMPTOM TROUBLESHOOTING [CAR-NAVIGATION SYSTEM]

CAR-NAVIGATION SYSTEM DOES NOT START OPERATION [CAR-NAVIGATION SYSTEM]

CAR-NAVIGATION SYSTEM DOES NOT OPERATION [CAR-NAVIGATION SYSTEM]

VEHICLE POSITION DEVIATES FROM THE ROUTE MAP [CAR-NAVIGATION SYSTEM]

NO VOICE NAVIGATION [CAR-NAVIGATION SYSTEM]

DISPLAY SCREEN DOES NOT CHANGE TO THE NIGHT MODE [CAR-NAVIGATION SYSTEM]