1. An ambulatory infusion system, comprising: a housing; a delivery mechanism at least partially contained within the housing and adapted to facilitate delivery of fluid to a user; a user interlace comprising a touchscreen, the touchscreen adapted to display a plurality of input screens and receive touch input from a user on the input screens; a memory adapted to store operating parameters and settings relating to use of the delivery mechanism; and a processor disposed in the housing and configured to control operation of the system in an active mode and a safe mode, wherein in the safe mode the processor disables at least one system function that is active in the active mode, the processor further configured to: define at least one out of bounds region on at least one of the input screens and associate the out of bounds regions with the corresponding input screen in the memory; identify a touch input on the touchscreen on the at least one of the input screens that is in at least one of the out of bounds regions associated with the input screen while the operation of the pump is in the active mode; suspend operation of the system in the active mode and place operation of the system in the safe mode in response to the out of bounds touch input.