Aftermarket Replacement Mirror Assembly Driver Left LH Side Flat Glass Power Adjustment on Glass With Heated / Defrost Function With Puddle / Courtesy Lamp With Memory Function With 7 Dot LED Signal Light on Glass With Textured Black Cover Cap Power Folding Type Made in Taiwan We recommend that installation be done by professionals, as item will not come with installation instructions and we do not provide any installation/troubleshooting assistance. Fits Partslink Number: GM1320324 , GM1320437 Fits Model and Year: 2014 2013 2012 2011 2010 2009 2008 14 13 12 11 10 09 08 SILVERADO and SIERRA 1500 / 2500 HD / 3500 HD 2007 07 SILVERADO and SIERRA 1500 / 2500 HD / 3500 HD NEW BODY STYLE 2013 2012 2011 2010 2009 13 12 11 10 09 SILVERADO and SIERRA 1500 HYBRID 2014 2013 2012 2011 2010 2009 2008 2007 14 13 12 11 10 09 08 07 TAHOE / SUBURBAN / YUKON / DENALI / XL 2008 2007 08 07 AVALANCHE NOTICE of Installation Manual for Power Folding Mirror: To avoid any manual folding action, tight three screws with balance torque. DO NOT tight individual one and then the other, while you are installing the mirror up on your door panel. After installation is done, please RUN the power folding function at least TWICE to the let the mirror fold back to its original position. Please re-set and re-program the memory function of the mirror glass. **Please Note** The mirror will also fit 2009 - 2014 models. The difference is the signal light design on the glass. Other than that, the plugs and fitment is still the same.