1994 Cadillac Seville Owner's Manual - Page 134

dark outside. Another photocell built into themirror surface senses the headlights behind you. The mirror will darken gradually to reduce glare. This change may take a few seconds. ONIOffSwitch Reverse Gear Day Mode - The reverse mode is another important feature of the automatic mirror. When the shift lever is placed in R (Reverse), the mirror changes to the " daytime mode for a bright imagein the mirror as you back up. Optional Driver Outside Electrochromic Rearview Mirror This mirror automatically dimsto minimize glare for maximum rear visibility. It operatesin conjunction with inside rearviewmirror. As the glare increases the mirror darkens accordingly. When the glare subsides the mirror returns to its clear daytime state. - 121