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: Connecticut Passenger District Of Columbia Class A Knowledge Test Georgia Class B Knowledge Test Montana Class B Knowledge Test North Carolina Class B Knowledge Test North Dakota Tank Pennsylvania Class B Knowledge Test Texas Class A Knowledge Test