Question When should drivers use their parking brake? Answers Every time they park. Only when parking on an incline. Only when parked in a driveway. Never. Explanation Whenever you park, always turn off the engine and set the parking brake. Take the keys and lock your vehicle. Do not rely on the transmission to hold your vehicle in place. Pass your DMV Written Test with flying colors Take me to the cheat sheet Michigan This questions appears in the following tests: Michigan Practice Test 34 Michigan Practice Test 47