The lighting in my game is really bright and I can't turn the lighting down in the settings. It's locked. Don't know if that's a bug but I always could adjust the lighting in other F1 games also the...
Ideas
To anyone having this issue.
Uninstall the game (just the game - be very careful here) and reinstall. Progress is saved (on mine at least)!
This will allow you to go through the Gamma settings again. I left mine at 100 (default).
I am now able to see the track correctly even though the Gamma settings is still locked (until they fix it). At least now I can play the game!!!!