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May
Daytime Running Lights
Here is a quick observation I have about daytime running lights and automatic headlights over the last few weeks. We have had quite a bit of rain in East Tennessee over the last few weeks, and thus I have been driving in rain. One thing I have noticed was the lack of tail lights when I approach some vehicles. When it is raining and you are using your windshield wipers, you are required by state law to turn on your headlights. In addition to this, it is just a good idea, so that you can be seen by others. My first thought is that these vehicles must not have turned on their headlights. However, after I pass them, I realize their headlights are on. This means that they are relying on their automatic sensors to turn on their lights for them. The sensor has determined it is light enough, so it simply needs to turn on the daytime running light. However this does NOT turn on your tail lights.
I simply want to bring this fact to people. Know what lights are actually turned on, particularly in the rain. If you are not sure, turn the switch and manually turn on your lights. It is very hard to see a vehicle from behind when there is water on the road due to all the mist from car tires. For saftey’s sake, make sure your tail lights are on.
