Information apparatus

Information device comprises a measuring unit (5, 6) for determining the speed of a vehicle (4) traveling in front, and a delivery unit (9, 10) for releasing a warning when the speed of a vehicle in front reduces even when the speed of the vehicle being driven itself reduces. Preferred Features: A display is arranged in a combination instrument of the vehicle to display the vehicle traveling in front. A direction arrow (15) for displaying a lateral movement of the vehicle in front. A video sensor for monitoring the driving gap (3) in front of the vehicle is also provided.