2008 Toyota PRIUS VIP Security System, GBS/RS3200 Upgrade
The glass breakage sensor (GBS) uses a highly sensitive microphone that can detect the specific frequencies of glass being struck or broken. In the event glass breakage is detected by the GBS, the vehicle security system will be activated immediately. The GBS is capable of ignoring noises other than those associated with glass, helping ensure customers aren't inconvenienced by "false alarms".
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