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6.3.4 Equipment, Inspection, and Use (392.7—392.9)

A vehicle may not be driven unless the driver is satisfied that its parts and accessories are in good working order. See the Parts and Accessories Needed for Safe Operation and Vehicle Inspections sections of this planner for additional information. Drivers must also be satisfied that the emergency equipment required in 49 CFR 393.95 is in place and ready for use. All drivers must use the vehicle’s parts, accessories, and emergency equipment when and as needed.

49 CFR 392.7 notes that, at minimum, the driver should inspect these parts and accessories to ensure that they are in good working order prior to operating the vehicle. See Pre-trip Inspections.

  • Service brakes, including trailer brake connections
  • Parking (hand) brake
  • Steering mechanism
  • Lighting devices and reflectors
  • Tires
  • Horns
  • Windshield wipers
  • Rear-vision mirrors
  • Coupling devices
  • Wheels and rims
  • Emergency equipment

Prior to departure, cargo must also be properly distributed and sufficiently secured as listed in 49 CFR 392.9 and further explained in 49 CFR 393, Subpart I (393.100—393.136).

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