It sounds like you’re referring to a mod or an asset named igg-beamng.drive.v0.5.5 — most likely a cracked/pirated copy of BeamNG.drive version 0.5.5, originating from the IGG-Games release group.
: Optimized memory usage and improved framerates for more complex scenarios. Vehicle Tweaks igg-beamng.drive.v0.5.5
He tried to reset the car. The 'R' key did nothing. It sounds like you’re referring to a mod
map had just been introduced in the preceding v0.5.4 update. Important Note on "IGG" igg-beamng.drive.v0.5.5