Use this switch when the vehicle is forced to stop in a dangerous place on the road. In the event of a stop due to a malfunction, etc., always try to pull off the road as far as possible. To turn on the alarm, press the switch. When the alarm is turned on, all direction indicators begin to flash, and the control lamps of the direction indicators will also flash. The alarm can be turned on at any time, regardless of the presence and position of the key in the ignition.