Open System requests transmit the requested vehicle types to the car supplier, but still allow the return of valid vehicle types and transfer to the travel agency (OTA user): IV โ 6+ seats * MV will expire and the gdS will be mapped to IV * Vehicle codes can be combined in different ways to request even more specific vehicles: Each green vehicle (hybrid, electric, LPG, hydrogen, multifuel) In addition to the matrix, there are special codes, to request specific vehicles: Refer to the car APIs in our product catalog to start using the vehicle type element. .