Good manners when driving on public roads are an aid to safety and reduce personal stress. Follow these simple hints and observations to make your driving day more pleasurable.1. In heavy rain do not use your emergency light or High-Beam. If the emergency light, is partly obscured, it could give an other driver a turning signal thus causing an accident. The glare from the High-Beam could blind an oncoming driver. Use your normal “dipped” headlight, stay to the curb side of the road and double your normal “safe stopping” distance from the car in front of you until the road is dry.2. Use of “flashing” High Beam as a signal to other drivers.There is NO written law about this. It is a practice that varies from country to country. In Europe, if a car flashes you from behind, he is asking you to yield (give over) so that he can pass. It is also used to tell cars in other lanes that you will yield so that they can get into the traffic stream. Example in Thailand the reverse happens. A Thai driver will warn others that he is “coming-through” so then flash you to ask you to