Installing glass in a car is considered which type of alteration?

Installing glass in a car is classified as a minor alteration because it typically involves a change that does not significantly affect the vehicle's structural integrity, safety features, or operational performance. Minor alterations generally refer to changes or modifications that are straightforward and do not require extensive engineering assessments or major re-certifications. This type of work usually adheres to industry standards and regulations, emphasizing safety and compliance without necessitating comprehensive redesigns of the vehicle's systems.

In contrast, major alterations would involve modifications that significantly affect the vehicle's design or performance, often requiring extensive approvals and modifications to comply with safety regulations. Impact alterations generally refer to changes that could affect the fundamental capabilities of the vehicle in terms of performance or safety features. Thus, the classification of installing glass as a minor alteration makes it clear that while it is an important task, it falls within the scope of routine maintenance or updates rather than significant structural changes.