Routine vehicle inspections should be done to ensure: Question Routine vehicle inspections should be done to ensure: Answers Safety. Good gas mileage. Comfort. Explanation The most important reason to inspect your vehicle is to ensure the safety of yourself and other road users. This questions appears in the following tests: Alabama Class B Knowledge Test Connecticut Double Delaware Class A Knowledge Test Delaware Class B Knowledge Test Delaware Passenger Maine Double Michigan Double Missouri Double Nebraska Class B Knowledge Test Oklahoma Double Oklahoma Passenger Vermont Double Vermont Tank