1995 GMC Yukon Owner's Manual - Page 124

Mirrors lnside Mirror Electrochromic lnside Rearview Mirror with Compass (Option) v- Your vehicle may have an optional 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 i n the upper right corner of the mirror face. When on, the compass automatically calibrates as the vehicle is driven. To use the electrochromic mirror only, move the switch at the bottom of the mirror to the M position. To use the electt-ochromic 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. 2-52