The manual's guidance on smooth starting/stopping and watching for rider stumbles most directly supports which of the six federal knowledge-test topics for the Passenger endorsement?

49 CFR 383.117(a)(5), proper braking procedures; AAMVA CDL Manual Section 4.3.2 (p.4-3)

Knowing which manual passage maps to which of the six federally required topics helps test-takers recognize this kind of question even when it's phrased around a scenario rather than the regulation's exact wording.