To edit Tyre Settings, click on your username at the top-right of the screen (1) and then click Settings (2):
If “Settings” is not visible in your menu, contact your system administrator to request access.
On the left-hand side of the screen, scroll to the bottom of the page (1). You will be able to see Tyre Settings (2), click on Tyre Settings:
From here you will be able to edit Repair Settings, any changes made to the values will be saved once you have clicked out of the setting: