Do you currently have CDL 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 Montana Question Sometimes, when checking the automatic transmission fluid level: Answers Your vehicle should be parked uphill. Your vehicle should be parked downhill. Your vehicle should be washed. Your vehicle may have to be left running. Explanation In some vehicles, you may have to leave the engine running to check the automatic transmission fluid level. This questions appears in the following tests: Oregon Knowledge Test Class A , Delaware Knowledge Test Class A , District Of Columbia Knowledge Test Class A , Massachusetts Knowledge Test Class B , Georgia Knowledge Test Class B , Montana Tank ,