Which of the following is NOT a Southwest Key safety expectation of its drivers?

a. Conduct a pre-trip inspection of the vehicle to review key potential problem areas and verify the safe operating condition of the vehicle.
b. Ensure that all unauthorized passengers sign liability waivers.
c. Reduce your stress by planning your route ahead of time and avoiding crowded roadways and busy travel times as much as possible.
d. Secure materials for transport to prevent loose objects from sliding around or becoming airborne and injuring the occupants of the vehicle during a crash or when making sudden maneuvers.
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