Upload vehicles API allows you insert, update or deactivate vehicles.
  API expects a CSV file with the following columns: ChgType, VehicleStatus, UnitID, VehicleType, Make, Model, Year, VIN, Domicile, CurrentTerm, EquipType, EquipSpecs, Liftgate, Heat, CDL.
  
  Column description:
  - ChgType: 1 = Add 2 = Deactivate, 3 = Update;
  - Status: ACTIVE or INACTIVE;
  - Domicile: Map to an attribute field;
  - CurrentTerm: Map to the domicile field;
  - Liftgate: Unit is equipped with a liftgate 1 = Yes, 0 = No;
  - Heat: Unit is heated.  1 = Yes, 0 = No;
  - CDL: Requires driver with CDL.  1 = Yes, 0 = No;

  API supports up to 1000 rows in a CSV file.