LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2009 >> 528i Standard >> Repair and Diagnosis >> Body & Frame >> Windows >> General Electrical System - Service Information >> Central Locking System >> System functions >> Lock-out protection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Lock-out protection

To protect the driver against unintentionally locking himself out, all operating points are locked when the driver's door is open. This makes any additional mechanical lock-out protection in the door locks unnecessary.