-Move Cleo4 scripts files in cleo folder.
Press [ 1 ] key for First Person Driving

-Move F1chrono.fxt file in cleo/cleo_text folder.

-Optional Install GTA V Open Wheels cars:
https://www.gtainside.com/en/sanandreas/cars/155677-gta-v-br8-dr1-pr4-r88/

-Then, Move Cleo4 scripts files of Add/Replace folder in cleo folder.

-Replace barriers.ide file in data/maps/generic folder.

-Replace LAs.ipl file in data/maps/LA folder.

-Add/replace the files in GTA3 folder in models/gta3.img file.