How Do You Install Towing Mirrors On A 2007 GMC Sierra?
Towing mirrors are extended mirrors used to provide additional rear visibility when towing. You can install a set of towing mirrors for your GMC Sierra that will replace your existing side mirrors and retain all factory features. Unhook the negative battery cable before beginning. This will ensure your safety and prevent electrical shock. Pry off the small panel right above the interior door handle. Remove the two bolts behind the panel. Pry off the trim panel on the vertical door pull, located at the front part of the armrest. The panel has a small notch on the bottom. Use this notch to pry off the panel. Remove the two bolts behind the panel. Remove the panel behind the interior door handle and remove the bolt behind it. Pulling the handle open will help you access the panel and the bolt. Pry off the panel surrounding the door lock tab at the top of the door panel. Slide the panel above the door lock tab to remove it. Grasp the sail panel (top corner of door panel) on both sides and