What is the size requirement for a steering wheel during inspection?

The correct answer, which pertains to OEM size, reflects the requirement that the steering wheel on a vehicle must meet the original equipment manufacturer (OEM) specifications during inspection. This means that the steering wheel should be of a size and design that is consistent with the specifications that were originally provided by the manufacturer of the vehicle.

Ensuring that the steering wheel is of OEM size is crucial for several reasons. First, it affects the handling and control of the vehicle; a steering wheel that is too small or too large can impair the driver's ability to maneuver the vehicle safely. Additionally, using the correct size steering wheel contributes to the overall safety of the vehicle, and inspecting for compliance with these standards helps to ensure that vehicles are equipped with components that promote safety and performance.

In contrast, the other options suggest incorrect or vague alternatives. "Custom size" may imply a modification that deviates from the manufacturer specifications, which can compromise safety and functionality. "Standard size" could vary between different vehicle models and does not specifically refer to the manufacturer’s guidelines. "Variable size" lacks a defined measurement, making it unsuitable as a criterion for inspection, as it does not address the need for consistency with original specifications.