How to Deal with a Mechanical Lock That Won't Open When the Car Battery is Dead?

1 Answers
KaydenFitz
07/29/25 9:12am
Inject a small amount of engine oil into the lock cylinder to lubricate it, then try to see if the door can be opened. Check if the car is in anti-theft lock mode. In this state, the mechanical key cannot open the door, and you need to deactivate it first. Use the remote key to open the door and contact relevant professionals for repair.
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