If you find that the default display text to be too small in Forza Motorsport, then you can check out this guide at Seeking Tech to see how you can increase the font size.
1. To start off, you need to open the Settings menu from within this racing game.
2. Inside of Settings, navigate over to the Accessibility tab.
You are able to change tabs by using the LB and RB buttons if you are using an Xbox controller or racing wheel.
3. In Accessibility, scroll down until you get to HUD text scaling, which has the following description:
This increases the size of the test for the UI while you are in a race.
So, if you want the HUD text to be larger, make sure you set this setting to On.
4. If you scroll further down the Accessibility tab, you fill find the Menu text size. You will be able to change this to any of the following:
- Default
- Large
- Largest
The change will be reflected in the Settings menu right away.
5. If you scroll even further down the Accessibility tab, you will find the “Subtitle text size” slider, which is set to a value of 24 by default.
You will be able to adjust its value from within a range of 18 to 30.
6. Once you are done changing the text sizes, exit the Settings menu.
7. Make sure you select Save when asked if you want to save and apply the changes you just made.