Question When conducting a check of the engine compartment during a vehicle inspection, you should not: Answers Check the engine oil level. Check the coolant level. Drain the brake fluid. Explanation When inspecting the engine compartment, you should check the oil level, coolant level, and windshield washer fluid level, among other things. This questions appears in the following tests: Iowa Class B Knowledge Test Kentucky Double Missouri Tank Missouri Passenger South Carolina Class A Knowledge Test