If enabled, gearboxes will deny shifts that might cause damage as well as prevent certain mode changes for a more immersive racing experience. (For example shifting out of M mode is disallowed until you are below a certain speed)
How often reflections are updated. Higher values can be particularly heavy on performance. [b][*]GPU:[/b] Moderate[b][*]VRAM:[/b] Moderate[b][*]CPU:[/b] Major