(1) To inspect any vehicle of a type required to be registered under this chapter in any public garage or repair shop or in any place where such vehicles are held for sale or wrecking, for the purpose of locating stolen vehicles and investigating the title and registration of these stolen vehicles;
(2) To serve warrants relating to the enforcement of the laws regulating the operation of vehicles or the use of the highways; and
(3) To investigate reported thefts of motor vehicles, trailers, and semitrailers.