What is Door MirrorA door mirror, also commonly known as a side mirror or wing mirror, is a device on a vehicle that allows the driver to view the area behind and to the side of the vehicle. Door mirrors are typically located on the driver's and passenger's side doors and are mounted to the exterior of the vehicleFitmentfor Cadillacfor Escalade Base 03-06for Chevyfor Tahoe LS/LT/Z71 03-06for Avalanche 1500 Base 03-05 & Z66 04-06 & Z71 03-06for Avalanche 1500/2500 LS/LT 05-06for Avalanche 2500 Base 03-04For vehilce, please check Top Fitment FilterPositionLocation: LeftPart NumberGM1320293,CV28EL,15226944Auto-DimmingWithout Auto-DimmingBuilt-in Signal LightWithout Signal LightColor/FinishTextured BlackFolding TypeManual FoldingGlass OperationPower GlassHeatedHeatedMemory RecallWithout MemoryPuddle Light IncludedWithout Puddle LightQuantity SoldSold IndividuallyTowing MirrorNon-TowingFold AwayManual FoldMirror Adjustment MethodPowerNotesStandard TypePart NameMirrorInstallationNo modification needed, easy installation, no Drilling or cutting Needed, directly bolt onFunction of Door MirrorThe main function of a door mirror, also known as a side mirror or wing mirror, is to allow the driver to see the area behind and to the side of the vehicle. This helps the driver to monitor the position and movements of other vehicles while driving, changing lanes, or parking.Door mirrors are an important feature on vehicles, as they help drivers to see other vehicles and objects in their blind spots, which can reduce the of accidents. They also provide drivers with a wider field of vision, which can improve situational awareness.