Heated mirrors do not cause a problem with the CIPA 10800 Towing Mirrors as long as they are factory and fit all the criteria.
Fits mirrors with black or chrome caps. They will not fit full chrome mirrors or telescopic mirrors.
Fits standard mirrors only for the years indicated :1999-2006 Chevy/GMC Silverado, Sierra; 2000-2006 Chevy Tahoe, Suburban, Avalanche; 2000-2006 GMC Denali, Yukon XL; 2000-2006 Cadillac Escalade.
These mirrors WILL NOT fit over STX mirrors from 2004-2007 , All XL style or Super Duty mirrors. Thye WILL NOT fit onto stock side view mirrors equipped with additional lighting features, such as LED turn signals, automatic dimming, and puddle lights. Feel free to call us at 1-800-358-4751 if you have any other questions.