THIS COMMUNICATION IS INFORMING VEHICLE OWNERS OF A SPECIAL SERVICE CAMPAIGN INITIATED BY GULF STATES TOYOTA, INC. (GST) TO INSPECT AND REPAIR CERTAIN TOYOTA AVALON VEHICLES EQUIPPED WITH A NON-TOYOTA GLASS BREAK SENSOR INSTALLED BY GST WHICH MAY EXPERIENCE AN ABNORMALLY HIGH PARASITIC CURRENT DRAW WHEN THE IGNITION IS OFF. THIS CONDITION COULD POTENTIALLY RESULT IN A DRAIN ON THE VEHICLEÂ’S BATTERY. THE NON-TOYOTA GLASS BREAK SENSORS WERE INSTALLED AS A GST INSTALLED OPTION UNDER GST P/N 00012-41420-01.