Once all students are accounted for and seated at a route stop, which of the following correctly reflects part of the departure sequence described in the AAMVA CDL Manual before re-entering traffic?

49 CFR 383.123(a)(2); AAMVA CDL Manual, Section 10.2.2 'Loading Procedures,' p. 10-4

Each step in the departure sequence exists to confirm one specific hazard has been cleared, from the door to the brake to the lights to the mirrors. Skipping or reordering steps, such as releasing the brake before the door is closed, reintroduces risks the sequence was designed to eliminate.