A truck driver recently shared this dash cam clip on Facebook, showing an encounter with a road-raging motorist.

The video was uploaded by driver Eugene Mel, who said the alteraction started when he honked at a car (0:44 mark — the video has no sound) that was blocking his lane after crossing a solid white line to squeeze into a line of traffic on the left.

Eugene Mel / Facebook

About 30 seconds later, the car driver leaves the line of traffic and zooms in front of the semi, dangerously cutting it off and smashing his brakes.

Eugene Mel / Facebook

The car driver then leaves his vehicle in order to berate the trucker and take a photo of his license plate. Thankfully, he was able to catch the whole incident on video in order to show and prove the reckless driving by the four-wheeler.

“Every time this happens it’s always LARGE AND IN CHARGE looking ppl lol. People throw themselves under a semi then fight for their pointless life begging for you to donate to their gofundme page. Lol,” he wrote.

The lesson? Always have your dashcam rolling. Watch the video below.