---
active: true
derived: false
header: 'No unintended release of the parking brake during standstill'
level: 1.1
normative: true
reviewed: null
links: []
asil: D
---

# SG-001: No unintended release of the parking brake during standstill

The EPB shall not unintentionally release while the vehicle is at a standstill. Derived from HARA hazards H-01 (unintended release during parking) and H-04 (clamping force loss in hold state).

**FTTI:** 5 s (H-01) / 30 s (H-04).
**Safe state:** APPLIED (maintain clamping force).