Sure, here's a general description of how to replace a #wing #mirror #unit on a #Vauxhall #Combo:

Gather Tools: Collect the necessary tools such as a flathead screwdriver, a socket wrench set, and a trim removal tool.
Disconnect the Battery: For safety, disconnect the car battery to avoid any electrical issues while working on the mirror.
Remove the Inner Door Panel: Use a trim removal tool to carefully pry off the inner door panel, exposing the wiring and screws that hold the mirror in place.
Disconnect Wiring: Carefully disconnect the wiring harness that connects the mirror's electrical components to the car's wiring system.
Remove Screws: Locate and remove the screws that are holding the mirror in place. These might be concealed under plastic covers or behind the mirror adjustment panel inside the car.
Detach Mirror Unit: Once the screws are removed, gently pull the mirror unit away from the door, freeing it from any remaining connectors.
Attach New Mirror Unit: Align the new mirror unit with the mounting points on the door and secure it by inserting the screws.
Reconnect Wiring: Reconnect the wiring harness for the mirror's electrical functions.
Test the Mirror: Reconnect the car battery and test the new mirror to make sure all functions are working properly.
Reattach Inner Door Panel: Carefully place the inner door panel back in place and press it down to secure it. Make sure all clips are properly engaged.
Reconnect Battery: Once everything is secure and working, reconnect the car battery.
Please note that this is a general overview, and the specific steps might vary depending on the model year of your Vauxhall Combo. It's recommended to consult the vehicle's repair manual or seek professional assistance if you're not comfortable performing these steps yourself.