The dealer is best equipped for a problem of this type and will often find the problem in less time than other independent shops where they have to try to be experts on every brand and model. But before you trot off for their help, try the key in the passenger door. If that works, suspect a broken wire between the left door hinges, or the link between the switch and lock cylinder is disconnected or broken.
Do you have the remote key fob to unlock the doors? That will also trigger the disarm signal.
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Wednesday, March 31st, 2021 AT 5:27 PM