Powered Adjustment Mirrors Side mirrors are equipped for manual or remote adjustment so as to provide appropriate coverage to drivers of differing height and seated position. Heating Element The mirror glass may also be electrically heated and may include electrochromic dimming to reduce glare to the driver from the headlamps of the following vehicles. Manual Folding It can be contracted when passing a narrow road section, which improves the passability of the car. Also can be folded up, which not only protects the mirror surface, effectively avoiding scratches. Reinforcement Brackets Reinforcement brackets are used for preventing vibration during driving. 03-06 Chevy Avalanche 1500 250004-07 Chevy Silverado 3500