Beamng Drive V0.17.0.2 -

To connect a trailer to a truck, align the vehicle's hitch with the trailer's tongue until green dots appear. Press L to engage the coupler 0.5.1 .

This specific hotfix addressed several launch-week issues that hindered the experience: BeamNG.Drive Update 0.17 Overview beamng drive v0.17.0.2

To understand the significance of v0.17.0.2, one must look at the major content it helped stabilize: To connect a trailer to a truck, align