2011 Subaru Outback Owner's Manual - Page 167

3-46 Instruments and controls is toggled on or off. When the automatic dimming function is on, the LED indicator will illuminate. Even with the mirror in the automatic dimming mode, the mirror surface turns bright if the transmission is shifted into reverse. This is to ensure good rearward visibility during reversing. . By pressing the compass display button, the compass display is toggled on or off. When the compass is on, an illuminated compass reading will appear in the upper right corner of 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 and damage the mirror. ! Photosensors ! Compass zone adjustment The mirror has a photosensor attached on both the front and back sides. During nighttime driving, these sensors detect distracting glare from vehicle headlights behind you and automatically dim the mirror to eliminate glare and preserve your vision. For this reason, use care not to cover the sensors with stickers, or other similar items. Periodically wipe the sensors clean using a piece of dry soft cotton cloth or an applicator. Compass calibration zones 1. Refer to the "Compass calibration zones" map shown above to verify that the compass zone setting is correct for your geographical location. 2. Press and hold the compass display button for 3 seconds until the zone selection comes up (a number will be displayed in the mirror compass window). 3. Press the compass display button repeatedly until the correct zone setting for your location is displayed. 4. Releasing the button for 5 seconds will exit the zone setting mode.