A drug delivery system for delivering a drug product is provided that includes a drug product container containing a drug product, a fluid path adapted to receive the drug product from the drug product container, and a drug delivery device positioned along and/or adjacent to the fluid path. The drug delivery device may include a housing, a fluid displacement assembly at least partially supported by and/or surrounded by the housing, and a drive component at least partially supported by and/or surrounded by the housing. The drive component may drive the medicament through the fluid displacement assembly. Further, the drug delivery device includes a controller workingly coupled with the drive component for controlling the drug delivery device. The controller may operate in a normal operation mode and a reserve mode.