Question Drivers must use their parking brake: Answers Only when parked on an incline. Only when parked in a parking lot. Every time they park. Explanation Always set your parking brake when you park. Leave the vehicle in gear if it has a manual transmission or in “Park” if it has an automatic transmission. Pass your DMV Written Test with flying colors Take me to the cheat sheet South Dakota This questions appears in the following tests: South Dakota Practice Test 11 South Dakota Practice Test 9