---
active: true
derived: false
header: 'HMI status display'
level: 1.10
normative: true
reviewed: null
links: []
asil: QM
---

# SYS-010: HMI status display

The EPB status must be signalled to the driver: LED on the switch (on = applied, off = released, blinking = error) and a text in the instrument cluster via CAN bus (frame ID 0x3A0, 50 Hz).