A loss of drive power can increase the risk of a crash. Additionally, a disabled bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.
Driving a vehicle with an inaccurate transmission gear shifter indicator can result in an unintentional gear shift, which can increase the risk of a crash.
A retaining clip or bracket that detaches can damage the brake pad, reducing brake performance, damage a tire valve, causing a flat tire, or become a road hazard, increasing the risk of a crash.
An unintended tailgate opening while driving may result in a loss of unsecured cargo, possibly creating a road hazard and increasing the risk of a crash.