1.Beautiful: OE Number:15110507 2.Beneficial: Fitment: Door Lock Actuator Motor for Oldsmobile Bravada 20022004, for GMC Envoy 20022009, for Chevrolet Trailblazer 20022009, for Buick Rainier 20042007. 3.Comfortable: Features: If the door can't lock or unlock or only can lock or unlock sporadically or has noise or car alarm goes off randomly. The old one can be replaced to solve the problem. Pressing the lock or unlock button, the door lock actuator is activated and moves the door lock mechanism. 4.Simple: Easy to install: 1. Align the lock actuator with the door lock mechanism. Securely attach the lock actuator to the door using screw, ensuring a tight connection to the vehicle's structure. 2. Test the operation of the lock actuator to ensure it can properly lock and unlock the door. 3. Make any necessary adjustments according to the manufacturer's instructions for optimal operation. 4. Test the lock actuator to ensure it functions correctly, allowing the door to lock and unlock ly.