1994 GMC Jimmy Owner's Manual - Page 107

Overhead Console Reading Lights If you havethe overhead console, you can turn your reading lights on and off by pressing inon the button by each light. The lights can also be swiveled to point in the directionyou want. Mirrors Inside Mirror Press the tab under the mirror toreduce glare from headlights behind you. If your vehicle has optional lighted mirror, the lights will automatically the come onfor approximately 15 seconds when either front door is opened, or until the ignition turned toRUN or ACC. is 2-53