How much does it cost to replace a car door lock?
A car lock replacement by a locksmith costs $75 to $220 on average. If you have it changed at the dealership, it will cost an average of $200 to $600, and if you replace it yourself, it will cost $15 to $350 depending on the type of lock you have. via
Why is my car making a buzzing noise when I lock it?
Hello, if there is a buzzing noise when locking the vehicle, the noise generally indicates a problem with the door lock motor from where the noise is coming from. Identify the door in question, replace the door lock motor, and recheck operation. via