the alarm goes off when I try to lock the car?

2015 PEUGEOT 308
250,000 MILES • 1.6L • 4 CYL • TURBO • 2WD • MANUAL
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TIM OD
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My old battery ran flat and after I've fitted the new one the alarm goes off when I try to lock the car, please advise on course of action. thanks, Tim
Feb 3, 2024 at 7:40 PM
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STRAILER
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I would do a hard electrical system reboot; this guide will show you how. It will help reset the systems so the alarm will stop going off.

https://www.2carpros.com/articles/step-by-step-guide-performing-a-hard-system-reboot-for-your-vehicles-electronics-systems

Please upload pictures or videos in your response to the problem so we can see what's going on.
Feb 4, 2024 at 11:28 AM