You should check and adjust your mirrors: Question You should check and adjust your mirrors: Answers Before driving. While driving. After driving. Explanation Be sure to check your mirrors before beginning a drive. Your posture may change day to day and your mirrors may need to be adjusted. This questions appears in the following tests: Arkansas Double Arkansas Tank Connecticut Class A Knowledge Test Delaware Tank Idaho Class A Knowledge Test Idaho Bus Louisiana Class B Knowledge Test Michigan Double Michigan Double Ohio Class B Knowledge Test Oklahoma Class B Knowledge Test Oklahoma Double South Carolina Class A Knowledge Test Virginia Class B Knowledge Test Wisconsin Class B Knowledge Test