docs: def get_extra_vehicle_info(self, authentication_info):
          """Get extra data from the API."""
          import requests
  
          base_url = "https://secure.ritassist.nl/GenericServiceJSONP.ashx"
          query = "?f=CheckExtraVehicleInfo" \
                  "&token={token}" \
                  "&equipmentId={identifier}" \
                  "&lastHash=null&padding=false"
  
          parameters = {
              'token': authentication_info.access_token,
              'identifier': str(self.identifier)
          }
  
          response = requests.get(base_url + query.format(**parameters))
          json = response.json()
  
          self.malfunction_light = json['MalfunctionIndicatorLight']
          self.fuel_level = json['FuelLevel']
          self.coolant_temperature = json['EngineCoolantTemperature']
          self.power_voltage = json['PowerVoltage']