Final answer:
Damage caused by hitting a pothole would be covered by Comprehensive coverage, as it includes non-collision incidents unlike the other scenarios given.
Step-by-step explanation:
The incident covered by auto other-than-collision (also known as Comprehensive coverage) would be Damage caused by hitting a pothole. Comprehensive coverage typically includes events that are not collisions with other vehicles, such as natural disasters, theft, vandalism, and hitting animals or objects like potholes. The other incidents listed, such as rear-end collisions, colliding with a guardrails, and damage from a collision with another car, would typically be covered under collision coverage.