Dirt-rally -

Experienced players often "report" on their tuning setups. For example, suspension reports recommend Firm settings for smooth terrain (Tarmac) and Loose settings for rough terrain (Heavy Gravel/Snow). 3. Agile Management (Rally Software)

If your query refers to the software rather than the racing game: DiRT Rally - manual - Feral Interactive dirt-rally

If the game crashes or you encounter a bug, you can generate and submit a formal report to the developers: Experienced players often "report" on their tuning setups