Automobile instrument panel expansion device with Bluetooth communication function

The utility model provides an automobile instrument panel expansion device with a Bluetooth communication function. The system comprises a controller, a Bluetooth module and a driving module which arearranged on a main control board, wherein the display screen, the manual button and the indicator lamp are arranged on the front cover plate, and the fixing structure and the connecting interface arearranged on the rear cover plate, so that data such as the running state of an engine and the oil quantity condition of an oil tank can be displayed on the display screen, and a user can convenientlymaster the running state of an automobile in real time; a manual button is arranged, so that starting and stopping of the additionally-arranged extended-range power generation control system are effectively controlled; meanwhile, communication between an external mobile terminal and the range-extending power generation control system is realized through the Bluetooth module, so that remote monitoring and remote debugging f