From Rigs of Rods Wiki
Using this template from within a template
This template should be added at the head of all template pages in this form:
Try to avoid starting a new line after the </noinclude> tag as the newline will be treated as part of the template, causing extra blank space to appear above the template every time it is used.
The template code itself should be included between these tags:
Which will prevent it from appearing on the template page itself.
Warning: Wiki code that isn't between either of these tags will appear both on the template page and when the template is used in other pages.
You can try it out in the sandbox template.