Click here to bypass intro https://youtu.be/4w2E0tWK0eI?t=87
CDL Manual Combination Vehicles Section 6 (Read Along)
This Section Covers Driving Combinations, Combination Vehicle Air Brakes, Antilock Brake Systems, Coupling and Uncoupling, and Inspecting Combinations. This section provides information needed to pass the tests for combination vehicles (tractor-trailer, doubles, triples, straight truck with trailer). The information is only to give you the minimum knowledge needed for driving common combination vehicles. You should also study Section 7 if you need to pass the test for doubles and triples.
https://www.youtube.com/c/BarryBranton