---
active: true
derived: false
header: 'Apply on driver request'
level: 1.2
normative: true
reviewed: null
links:
  - SG-002
  - SG-005
asil: D
---

# SYS-002: Apply on driver request

On apply-direction actuation of the EPB switch, the system must engage the parking brake within 800 ms, provided the preconditions are met (standstill or vehicle speed below 5 km/h). Safety goal: SG-002.