The trunk does not open Citroen Xsara

Search and budget troubleshooting.
First check the fuses, then the door wires, the trunk release button and the lock. To check the voltage will need a tester.
Priority for troubleshooting: How to open the tailgate, check the fuses, check the wires, check the buttons and repair the trunk lock.
The tailgate of the Citroen Ksara car does not open, troubleshooting.