Delayed Illumination and Exit Lighting

The following are the modes of operation for the delayed illumination and exit lighting features:
^ Mode 1:
Both the delayed illumination and the exit lighting features are disabled.
^ Mode 2:
Only the delayed illumination feature is enabled.
^ Mode 3:
Only the exit lighting feature is enabled.
^ Mode 4: (Default)
Both the delayed illumination and the exit lighting features are enabled.