If the door can't lock or unlock or only can lock or unlock sporadically or has noise or car alarm goes off randomly. replace the old one to solve the problem. Pressing the lock or unlock button, the door lock actuator is activated and moves the door lock mechanism. Easy to install Align the lock actuator with the door lock mechanism. Securely attach the lock actuator to the door using screws or bolts, ensuring a tight connection to the vehicle's structure. Test the operation of the lock actuator to it can properly lock and unlock the door. Make any necessary adjustments according to the manufacturer's instructions for optimal operation. Test the lock actuator to it functions correctly, allowing the door to lock and unlock safely. Part Number:691100C010 Fitment: Door Lock Actuator Motor for 2000-2006. Colour:Black Material:ABS Package Contents: 1x Power Door Lock Actuator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.