For mods like SiSL's Mega Pack, use the Steam Workshop. It handles automatic updates and guarantees clean files.
A: Check that you have disabled in the gameplay options. As most passenger mods are adaptations of trailers, failing to turn this off is the most common cause of errors. ets2 hitchhiker mod top
To make the world feel more populated with potential "hitchhikers," you can increase the presence of people in the environment. For mods like SiSL's Mega Pack, use the Steam Workshop
It allows you to placed static co-drivers, pets, and companions into your cab permanently via the truck upgrade shop. For mods like SiSL's Mega Pack