Question The parking brake should be: Answers Used whenever you park your vehicle. Used while driving. Set when driving in bad weather. Removed. Explanation The parking brake in a vehicle with air brakes should be used every time the vehicle is parked. This questions appears in the following tests: Connecticut Air Brakes Georgia Air Brakes Indiana Class B Knowledge Test Indiana Double Kansas Class B Knowledge Test Kansas Air Brakes Mississippi Air Brakes Nevada Class B Knowledge Test New Jersey Class A Knowledge Test New Jersey Air Brakes New York Class B Knowledge Test North Carolina Air Brakes Pennsylvania Air Brakes South Carolina Class B Knowledge Test Tennessee Air Brakes Utah Class B Knowledge Test West Virginia Class B Knowledge Test