9-3 XWD (9440) L4-2.0L Turbo (B207R) (2009)
Shock Sensor: Description and Operation
Glass Breakage Loop (765)
Location
Glass breakage loop, luggage compartment (765RC)
Glass breakage loop, rear left (765RL)
Glass breakage, rear right (765RR)
Main task
Used by the anti-theft alarm to detect whether one of the rear side windows or the rear window has been broken.
If an attempt is made to break in the entire pane will crack because it is hardened. The glass breakage loop will also crack and this is detected by BCM,
which activates the anti-theft alarm.