2007 GMC Yukon Owner's Manual - Page 160

Cleaning the Mirror When cleaning the mirror, use a paper towel or similar material dampened with glass cleaner. Do not spray glass cleaner directly on the mirror as that may cause the liquid cleaner to enter the mirror housing. Temperature Display The temperature can be displayed by pressing the compass/temperature button. Pressing the compass/temperature button once briefly, will toggle the display reading on and off. To alternate the temperature reading between Fahrenheit and Celsius, press and hold the compass/temperature button for approximately three seconds until the display blinks F and C. Press and release the compass/temperature button to toggle between the Fahrenheit and Celsius readings. After approximately five seconds of inactivity, the display will stop blinking and display the last selection made. Press and release the compass/temperature button to toggle the temperature display between Fahrenheit or Celsius. If an abnormal reading is displayed, please consult your GM dealer. Automatic Dimming Rearview Mirror with Compass and Temperature Display Your vehicle may be equipped with this mirror. When on, an automatic dimming mirror will dim to the proper level to minimize glare from lights behind you after dark. The mirror also includes a dual display in the upper right corner of the mirror with the compass reading and the outside temperature. Y b: Briefly press this button to turn the display on or off. 160