Under normal conditions, to engage the parking brakes the driver must:

Pull out the parking brake control knob (Yellow).. Section 5.1: In newer vehicles, you engage the parking brakes by pulling out the yellow,

Under normal conditions, to engage the parking brakes the driver must:

ANSWER BREAKDOWN
  • A. Incorrect. "Turn a switch." is not correct. In newer vehicles, you engage the parking brakes by pulling out the yellow, diamond-shaped knob.
  • B. Incorrect. "Let the air out of the air brake system." is not correct. In newer vehicles, you engage the parking brakes by pulling out the yellow, diamond-shaped knob.
  • C. Correct. In newer vehicles, you engage the parking brakes by pulling out the yellow, diamond-shaped knob.
  • D. Incorrect. "Step on the brake pedal." is not correct. In newer vehicles, you engage the parking brakes by pulling out the yellow, diamond-shaped knob.