My Fabia Petrol is automatically unlocking and locking and opens all 4 doors window gets down. The worst part is none the mechanics are able to find the issue even the service centre it not able to find the exact issue, apparently they are saying you have to replaces the door lock
Cars & Trucks - Smart - fortwo
Answers & Comments
Try to replace the battery first , you can borrow one for couple of days before you buy a new one