2008 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 152
2008 Chevrolet Silverado 1500 Pickup Manual
Page 152 highlights
To adjust for compass variance: 1. Find your current location and variance zone number on the following zone map. 3. Keep pressing the on/off button until the desired zone number appears in the display. Release the button. After approximately four seconds of inactivity, the new zone number will be locked in and the compass/temperature display will return. 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. 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. 2. Press and hold the on/off button until a Z and a zone number appears in the display. The compass is now in zone mode. The mirror also includes a dual display in the upper right corner of the mirror with the compass reading and the outside temperature. Yb: Briefly press this button to turn the display on or off. 2-58
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