When I'm out pulling the 5er and I pass a big rig, he usually flashes his lights to let me know it is safe to cut back into the right lane. I've seen the truckers be able to manually flash their running lights on the trailer for a thank you. If I did that my headlights would go off too. But I normally just tap the brakes lightly to give him a thank you.
My question, finally, do the truckers have a seperate switch for just their running lights to do this? Can something like this be done on my rig without too much hassle?
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