how to use air horn right way

Horn signal is a sound signal that warns car users to use caution. By letting you know where the vehicle is at the signal, the Khon Kaen driver is advised to use the correct horn. Should open a short signal. Do not use the horn signal is strictly prohibited. Except for the emergency really needed. If the violation violates a fine not exceeding 500 baht and should signal the horn when driving through the bend area. I can not see the car running in the garden or the corner. And along the wall with a solid wall covered to signal to another car. It is important to avoid the use of signal horn to connect with other riders. At the same time, the car should be turned on at the level of driving instructor Khon Kaen and the Department of Transport is advised not to exceed 85-90 decibels.