Question After a trip: Answers A vehicle should be placed out-of-service. A vehicle's oil should be changed. A vehicle's after-trip inspection should be completed. A vehicle's battery should be disconnected. Explanation After a trip, you may be required to perform an inspection and file a report on each vehicle that you've driven. This questions appears in the following tests: District Of Columbia Double Illinois Class A Knowledge Test Illinois Class A Knowledge Test Massachusetts Double Massachusetts Tank Massachusetts Passenger Mississippi HazMat Nevada Class B Knowledge Test Oregon Class A Knowledge Test Utah Class B Knowledge Test