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. Take a FREE Practice Test Now This questions appears in the following tests: Delaware Knowledge Test Class A , District Of Columbia Knowledge Test Class A , Oregon Knowledge Test Class A , Georgia Knowledge Test Class B , Massachusetts Knowledge Test Class B , Montana Tank ,