I checked previously and dsl updated the few classic ones without code, but there are still some Moke without code, I forgot about these.
Anyway with both solutions those without chassis codes will cause issue.
I can do the uppercase only for the R/F/U codes, but then all the newer ones without code should get one (one by default if the picture does not allow to chose precisely which one they are).

Yes sounds good to me.

Star Car link in there is wrong, https://imcdb.org/vehicles.php?make=Star, should be https://imcdb.org/vehicles.php?make=Star-Car

Thanks, fixed. Sometimes it becomes confusing with all these links between pages. I also recently updated the links between all the ancestors and makes related to Daewoo, that was quite complicated

This is yet another Star company ? https://imcdb.org/vehicle_1165366-Star-Mazda.html
And https://imcdb.org/vehicles_make-Star-Car_model-Hydrodyne.html not sure is Make Star or Star-Hydrodyne

I added new makes for these.
For the Hydrodyne ones, it seems that name is part of the make, so I listed it as such: https://imcdb.org/vehicles_make-Star-Hydrodyne.html

I finally found what caused that issue
It should now be fixed (tested in Firefox/Chrome/Edge, crossing fingers for Safari...)

I thought it was the fault of the ads, but no, it was just my CSS code
I wonder why I could not reproduce the issue back then: I fixed something related to that a while ago, but it solved only a part of the problem, as yesterday I noticed a case where I had the issue myself.

https://www.imcdb.org/vehicles_make-Universal.html
Swiss bikes: https://www.imcdb.org/vehicle_312217-Universal-600.html
https://www.imcdb.org/vehicle_1629529-Universal-B50.html

https://www.imcdb.org/vehicles_make-Rex.html
German mopeds: https://www.imcdb.org/vehicle_260816-Rex-17-1955.html
https://www.imcdb.org/vehicle_650214-Rex-Monaco.html
https://www.imcdb.org/vehicle_290399-Rex-Piccolo.html
https://www.imcdb.org/vehicle_83568-Rex.html
https://www.imcdb.org/vehicle_1394442-Rex.html
Sweden mopeds: https://www.imcdb.org/vehicle_1393092-Rex-Midget-Sport-1938.html
https://www.imcdb.org/vehicle_196401-Rex-Rexoped-1955.html
https://www.imcdb.org/vehicle_362291-Rex-Z%C3%BCndapped-1954.html
USA construction vehicles: https://www.imcdb.org/vehicles_make-Rex_model-Pactor.html
https://www.imcdb.org/vehicles_make-Rex_model-RexRoll.html
https://www.imcdb.org/vehicle_21517-Rex-SP-700-1979.html
https://www.imcdb.org/vehicle_27967-Rex-SP-910B.html
https://www.imcdb.org/vehicle_17187-Rex-Trashmaster-3-70A.html

There were just three Romanian tractors in addition to the two Swiss bikes, I think these tractors should be listed under UTB like all the others.
I keep the links here for reference
https://www.imcdb.org/vehicle_1150100-Universal-533.html
https://www.imcdb.org/vehicle_1153430-Universal-445-V.html
https://www.imcdb.org/vehicle_937599-Universal-445-D.html

I'll do the split for the Rex vehicles later