If your laptop is equipped with a Dedicated Graphics, you can switch from your Video Control Panel: [url=https://go.beamng.com/dedicatedGraphics]Instructions[/url]
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.