Which of the following is NOT typically a part of a vehicle inspection?

The verification of the vehicle’s sound system is not typically a part of a standard vehicle inspection. Vehicle inspections primarily focus on safety and functional elements that ensure the vehicle operates correctly and adheres to regulations. This includes key areas such as the braking system, which is crucial for safe operation, and checking the engine temperature to assess the vehicle's mechanical health.

Additionally, the condition of the cabin air filter is relevant since it impacts the air quality within the vehicle and can affect the efficiency of the heating and cooling systems. In contrast, the sound system, while it may contribute to the overall comfort and enjoyment of the driving experience, does not impact the vehicle's safety or functionality, and thus is not included in standard inspection protocols.