YES, I'm very agree, here is my suggestion:
Odometer:
Odometer is missing on the tachometer or dashboard. LFS is counting the kilometers (traveled distance) on LFSWORLD, it is good idea, but not counting kilometers in the car during driving on the road or off-road. There should be odometer in tachometer or on the dashboard to view all traveled distance in real time. All cars (or at least road cars or not-formula type cars) should have his own odometer (saved traveled distance of the car from first LFS install), one permanent odometer, and second one with reset possibilities by user - as in real car. First odometer should count kilometers from first drive (from first launching of LFS), and should not be reseting. And second odometer should count same kilometers, but it should be with reset possibility. Each car should have his own odometer with own traveled distance. There may be third odometer (permanent) (if you want) with all summary traveled distance with all cars (same counter as on LFSWORLD). Can be realized it in LFS?