1996 GMC Yukon Owner's Manual - Page 103

Reading Lamps If your vehicle has reading lamps, press the button next to the lamp toturn the lamp on. The lamps can be adjusted to point in the direction Electrochromic Inside Rearview Mirror with Compass (Option) Your vehicle may have an electrochromic inside rearview mirror. An electrochromic inside rearview mirror, when on, automatically dims to the proper level to minimize glare from lights behind you after dark. The mirror also includes an eight point compass display in the upper right corner of the mirror face. When on, the compass automatically calibrates as the vehicle is driven. If your vehicle has an overhead console with reading lamps,press the button next to the lamp to turn the lamp on. The lamps can be adjusted to point in the direction you want. Press the button again to turn the lamp off. Mirrors Inside Mirror Push or pull the tab under the mirror to reduce glare from headlamps behind you after dark. To use the electrochromic mirror only, move the switch at the bottom of the mirror to the M position. To use the electrochromic mirror as well as the compass, move the switch to the C/M position. To turn both features off, move the switch to the OFF position. 2-39