For this, roll the window down and slide a piece of hard plastic next to the glass to protect it. When applying pressure to the dent, be careful not to shatter the window. When working with doors on unfamiliar or new vehicle models, slide a tool into the door parallel to the window and use the tool to gauge component location. Fender Mender Headlight and taillight assemblies provide access to fenders and quarter panels, but opening the trunk to reach taillight sockets may require the removal of some carpet. Another technique includes hanging an S-hook on the drain rail on the trunk's side and sliding a long tool through it to the quarter panel.
Wheel wells offer another entrance alternative.
Some have factory holes, while others require drilling. One method is to jack up the car and drill a hole in the splash guard. Undoing the Damage Once access is established, select the proper tool. Take into account the length, diameter and tip size when choosing. Now the repair begins.