- Green Light - indicates everything is hooked up properly and ready for travel
- Amber Light with signal chirp - indicates brake activation
- Flashing Red Light with alarm - indicates a trouble situation(breakaway, disconnect, or hot brake)
- Manual activation - towed vehicle control, separate from the motorhome brakes
- Momentary Release - MountainMasterexclusive for long down grades with heavy braking
- Control module is a wired operation and is immune to electrical interference
