(1) Where a member of the Garda Síochána observes a mechanically propelled vehicle or combination of vehicles in a public place and he suspects that there is a defect affecting the vehicle or combination which is such that it is, when in use, a danger to the public or, in the case of a public service vehicle, there is a defect affecting it which is such that either it is a danger to the public or it is rendered unfit for the carriage of passengers, he may inspect and examine the vehicle or combination and, for the purpose of carrying out the inspection and examination, may do all such things and make all such requirements in relation to it as are reasonably necessary.
(2) For the purposes of subsection (1) of this section and without prejudice to the generality of the powers conferred thereby, a member of the Garda Síochána may -
(a) require the person in charge of a mechanically propelled vehicle or combination of vehicles to bring it to a convenient place indicated by the member
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