Owner's Manual
Page 124
... (8) Channel 3 button (9) Compass display (10) Rear light sensor ✽ NOTICE The mirror defaults to reduce annoying glare in your vehicle is indicated by the Dimming ON/OFF Button: 1. CAUTION The NVS® Mirror automatically reduces glare during any driving situation. The auto-dimming function can be controlled by the green Status Indicator LED turning off. 2.
... (8) Channel 3 button (9) Compass display (10) Rear light sensor ✽ NOTICE The mirror defaults to reduce annoying glare in your vehicle is indicated by the Dimming ON/OFF Button: 1. CAUTION The NVS® Mirror automatically reduces glare during any driving situation. The auto-dimming function can be controlled by the green Status Indicator LED turning off. 2.