2008 Hummer H3 Alpha Owner's Manual - Page 115

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 could 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. After approximately five seconds of inactivity, the display will stop blinking and display the last selection made. If an abnormal reading is displayed, see your dealer/retailer. Automatic Dimming Rearview Mirror with Compass and Temperature Display Your vehicle may have 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. Automatic Dimming Mirror Operation O: Press this button to turn the automatic dimming feature on or off. The indicator light to the left of the button will turn on to indicate when the feature is on. Once the mirror is turned off, it will remain off until it is turned back on, or until the vehicle is restarted. Compass Operation Press the compass/temperature button once briefly to turn the display on or off. Yb: or off. Briefly press this button to turn the display on Your vehicle may also have a Rear Vision Camera. See Rear Vision Camera on page 2-44 for more information. 2-41