Abstract: A dangerous vehicle warning method is disclosed. The dangerous vehicle warning method is utilized in a dangerous vehicle warning system including a vehicle electronic system and a cloud server. The dangerous vehicle warning system, disposed in a first vehicle, includes an image capturing module and a license number identifying module. The dangerous vehicle warning method includes the image capturing module capturing an image of an area surrounding the first vehicle; the license number identifying module identifying a license number information of a second vehicle in the area surrounding the first vehicle according to the image; comparing the license number information with a dangerous vehicle list stored in the cloud server and generating a comparing result; and generating a warning signal according to the comparing result.

Abstract: A data updating method and an electric device using the same are provided. The data updating method is for updating a first software file set of a mobile device adapted to be electrically connected to the electric device. The electric device has an updating program code for performing the data updating method. The method includes following steps. The first software file set is transmitted to the electric device from the mobile device and shown in a first window in a step (d). The first software file set is compiled into a second software file set in a step (e). The second software file set is transmitted to the mobile device, and the first software file set is replaced by the second software file set.