Fit for 2003-2006 For Chevy Avalanche 1500 2003-2006 For Chevy Silverado 1500 2005-2006 For Chevy Silverado 1500 HD 2007 For Chevy Silverado 1500 HD Classic 2003-2004 For Chevy Silverado 2500 2003-2006 For Chevy Silverado 2500 HD 2007 For Chevy Silverado 2500 HD Classic 2006 For Chevy Silverado 3500 2003-2006 For Chevy Suburban 2500 2003-2006 For Chevy Tahoe 2003-2006 For GMC Sierra 1500 2007 For GMC Sierra 1500 Classic 2003 2005-2006 For GMC Sierra 1500 HD 2007 For GMC Sierra 1500 HD Classic 2003-2004 For GMC Sierra 2500 2003-2006 For GMC Sierra 2500 HD Package Including 1 PCS Left side view mirror POWER ADJUSTED This is a power mirror, you can adjust the angle of the mirror through the car power switch to maximize the field of view. This power mirror can greatly improve the driver's convenience, allowing the driver to adjust the exterior mirror without further operation due to long distances. MANUAL FOLDING The driver needs to reach out of the window or get off the car to fold the mirror. Replacement Side View Mirrors Step 1 - Access Roll down the window of the car. For electric mirrors, disconnect the negative battery terminal after this. take off the screws of the door panel then take off the trim with a pry tool and and finally take off the door panel. If you have electric windows, unplug the harness. Use the nut driver to take off the nuts holding the side mirror in place and then take off it. Step 2 - Installation If it’s an electric mirror, replace the harness, checking that everything is properly hooked up. To complete the installation, screw the interior door panel back in place on the door and replace the trim. Put the negative battery cable back on the terminal and tighten properly. Put side view mirror in place so that the bolts on the mirror are through the holes in the assembly. Tighten the nuts with the nut driver until the mirror is held firmly. Check to see if the mirror wiggles.