Siemens DCA Vantage Operator's Manual page 46

2. Open the foil package as shown in Figure 7.
CAUTION
Do not use scissors to cut open the foil package. Scissors can
damage the reagent cartridge, the flexible plastic pull-tab on the
cartridge, or the desiccant bag.
Figure 7 Opening Reagent Cartridge Package
3. Remove the contents of the package.
46 DCA Vantage Operator's Guide