Fuel pump reset button

This is called the inertia switch and I am attaching the info below and is used to cut the fuel off in the event of an accident or rollover.

However, I suspect you have an issue with fuel pressure or the engine not starting. If you do then here is a guide that will help with checking it to be sure:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Take a look at the info below on this switch and how to replace it.

Please let us know what questions you have. Thanks