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      02-20-2020, 09:45 AM   #7
SMB F83
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Drives: 2016 SMB M4 Convertible
Join Date: Dec 2015
Location: Seattle

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A motion sensor in the alarm system can go bad and cause this.

Just had the sensor in the left rear interior replaced under warranty when mine was doing this.

A second push on the fob lock button when locking will disarm the motion part (look for the red light on the mirror to go solid after the 2nd push) of the alarm till you get it fixed.
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