Do you currently have car insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance and I want to compare options. Before you start the test, please answer the following question regarding your insurance status. Without insurance you will not be able to drive in California Question As part of the vehicle inspection test, a CDL applicant may be asked to: Answers Check the engine oil level. Replace a tire. Remove the alternator belt. Explanation When checking the engine compartment during the vehicle inspection test, you will need to check the engine oil level. Take a FREE Practice Test Now This questions appears in the following tests: Ohio Knowledge Test Class A , Rhode Island Knowledge Test Class A , Montana Knowledge Test Class B , North Carolina Knowledge Test Class B ,