: If the alarm is left deactivated for more than one hour, it may shut down to conserve battery power. To reactivate it, you must cycle the ignition (turn it on and off). Customizing Vehicle Settings
Press Button 1 (often the knurled button) once or switch off the ignition. Indicators will flash twice. Gemel Txshs User Manual
while others (common in North America or specific regions) use : If the alarm is left deactivated for