Which of the following is a type of vehicle search not requiring a warrant?

A type of vehicle search that does not require a warrant is known as an impound search. When a vehicle is impounded, the authorities have the right to conduct a search of the vehicle without obtaining a warrant. This is primarily due to the practical considerations of ensuring public safety and the management of impounded vehicles. The expectation of privacy in an impounded vehicle is considered diminished because it is now in the control of law enforcement.

Impound searches are allowed particularly because they enable officers to ensure that no illegal items or dangerous materials are present in the vehicle. Additionally, the inventory of the vehicle's contents is often necessary to protect both the owner's property and the police from potential theft claims.

Other scenarios mentioned, such as searches during vehicle warranty examinations, police checkpoints, and specialized orders, have specific legal frameworks governing them but do not necessarily permit searches without a warrant in the same way that impound searches do. For example, police checkpoints can limit the scope of searches, but they do not provide the same blanket authority for search without a warrant as impounding does.