---
active: true
derived: false
header: 'Release on driver request'
level: 1.3
normative: true
reviewed: null
links:
  - SG-005
asil: B
---

# SYS-003: Release on driver request

On release-direction actuation of the EPB switch, the system must release the parking brake provided the following preconditions are met: engine running, driver pressing the brake pedal, a gear is engaged. Maximum release time: 1500 ms.