Hi, my name is***** your mechanic automotive expert, and I will be happy to assist you today. In some cases, I may need more information to assist better. I apologize for any delay.
I try to be here most weekdays and some weekends. If you respond and I do not respond back right away I will do so as soon as I can.
Dear customer, from your query if you already went to a main garage, most likely the key fob was subjected to a programming that is the most common to happen, usually by downloading the battery the key fob takes all their energy and the key fob is again virgin or is again like newly manufactured and must be programmed again with the vehicle in which it works, if still being programmed the central locking system continues to present problems, the failure can go a little further because it seems strange to me that if the problem occurred only by discharging the battery because it burned some fuse under the dashboard This induces me to what could have happened a short in the system or a rise in voltage either by touching the battery of the vehicle or by a problem in the regulator of the alternator etc.
The technicians of the garage are indicating to you that the vehicle must be subjected to a job in the back of the dashboard, because here are the wiring and the module that work with the centralized lock, in turn to observe why it is not working on the boot, they must disarm the upholstery to get to the electric motor that activates deactivates the lock, and to be able to examine if it is coming voltage or if it simply damaged the cylinder that open the boot.
Then basically, the work depends on the case in which it is already presenting because if the programming of the key fobwas done, this is ruled out besides if a fuse burned. This is an important indication that a voltage rise or a short is occurring, that until the same module you must replace but it must be verified very well before being replaced as it has a considerable cost.
I consider that the garage is doing a correct job, indicating this as long as the above has been ruled out