If you like shooting photos of your ride, you can use [action=toggleUi] to hide the UI and then [action=publishScreenShot] to upload the image.
ui.hints.startSlow
It's easy to run wide in corners when driving a carvehicle for the first time. Start slow, and drive faster as you get to know how each carvehicle handles.
Overheating coolant may vaporize, making a hot engine harder to cool down after long periods of overheating. You can recover the vehicle using [action=recover_vehicle] to reset the coolant level.
It's not a good idea to sprint at full speed into cars. This applies not only to real life, but also to BeamNG.Drive. You can damage the car by doing it.