How to see the on-board computer interface without buying a truck?

[nagor]

Very often after the purchase it turns out that the necessary numbers are very small and it is uncomfortable to use the purchased truck.
Maybe there is some script that allows you to activate the dashboard before buying?

Or maybe there is a mod for a placeable indicator of the selected cruise control speed?
For example, as in Speed Limit Indicator:
[ external image ]

[room217au]

You can search the QuickJobs list and see if that truck appears. Most do. You can take that truck on a job, check it out for free, and get paid doing it.