An inside rearview mirror is used to: Question An inside rearview mirror is used to: Answers Monitor passengers. Inspect the outside of the bus. See vehicles trying to switch lanes. Explanation On a school bus, the overhead inside rearview mirror is used to monitor passenger activity inside the bus. It should be adjusted to show every student on the bus, including the students directly behind the driver. This questions appears in the following tests: Arizona Bus Kentucky Bus Louisiana Bus Missouri Bus New Hampshire Bus South Carolina Bus Vermont Bus