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knowledge/procedures/en-GB/06-maintenance-escalation.md

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+---
+document_id: maintenance-escalation
+title: Maintenance escalation procedure
+version: "1.1"
+effective_date: 2026-04-01
+department: Workshop
+status: active
+---
+# Maintenance escalation procedure
+
+## 1. Triggers
+
+Escalate when a technical warning is reported, the service threshold is reached, a safety-related defect is observed or an existing maintenance block remains unresolved.
+
+## 2. State
+
+Set or retain the maintenance state. A future booking does not override a maintenance restriction.
+
+## 3. Release
+
+Only an authorised maintenance completion record and the absence of other blocking issues permit the vehicle to proceed to cleaning or availability.