ENTRY SYSTEM FOR VEHICLE

A vehicular entry system, which performs collation using a mobile terminal having an authentication element and enables use of a predetermined function of a vehicle on the basis of a result of the collation, includes: an authentication control section which, when authentication information from the authentication element matches predetermined authentication information, generates a signal enabling use of the predetermined function of the vehicle; a door detection section which outputs a signal in response to opening/closing of a vehicle door; and a cradle capable of fixing the mobile terminal, the authentication control section activating a read section, provided on the cradle, on the basis of the signal from the door detection section, the read section being capable of transmitting an electromagnetic wave, the authentication element being capable of generating electric power from the electromagnetic wave and transmitting the authentication information.