The Guidance message on DCP / DAU can by remotely reset by sending the following SMS command:
Pin1234,p0509,15,1,devhub.avire-global.com/assets/firm/mk775/this_is_a_lift_alarm_modif.voz
Wait 2-3 minutes for the file to download and the change will be made. The same command can be applied on the Hub through parameter P050.