---
active: true
derived: false
header: 'Auto-apply on engine off'
level: 1.4
normative: true
reviewed: null
links:
  - SG-001
asil: D
---

# SYS-004: Auto-apply on engine off

When the engine is switched off and the vehicle is at a standstill, and the parking brake is not yet engaged, the system must automatically engage the parking brake at the latest 2 s after detecting engine-off. Safety goal: SG-001.