jpmaly Posted July 25, 2010 Share Posted July 25, 2010 Hi 98 GS 400. Beeps every 15 minutes, like clock work. Not the horn, but sounds like when you lock the doors. All doors and trunk locked and I unlocked, opened and relocked them and it's still beeping. Any ideas as were to look or troble shoot? Quote Link to comment Share on other sites More sharing options...
intakerGS Posted July 26, 2010 Share Posted July 26, 2010 My best guess is that your car alarm/immobilizer doesn't get the info it needs. Perhaps a door switch/module is at fault or sticking, could also be low voltage from your battery or (old) alarm battery pack. Sometimes you can 'reset' the system, by 'manually' locking/unlocking the driversdoor with the key. Quote Link to comment Share on other sites More sharing options...
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