How to deal with the lighting of sos light: just turn off the sos light after it is lit, and it cannot be turned off manually. The lighting of sos lamp in automobile instrument is related to the on-board self-rescue system of automobile. SOS lights often indicate that the engine is in a bad combustion state, and the driver can also go to the 4s shop to refresh the computer for adjustment. Sos vehicle-borne self-rescue system usually has sos key, emergency horn, microphone and antenna. When a car breaks down or has an accident, including an emergency or danger, as long as the sos key is pressed for more than 2 seconds, the car's emergency early warning and rescue system will send a distress signal to the outside world, and it will automatically call the emergency department. People in the car can use the emergency microphone to communicate with rescuers. Sos button is generally near the skylight button of the car, with the letter sos on it and the color is red.