2000 GMC Envoy Owner's Manual - Page 104

Exit Lighting With exit lighting, the interior lamps will come on when you remove the key from the ignition. If the DOME OVERRIDE button is in the "out" position, these lights will stay on for a short period of time and then will go out. Front Reading Lamps Press the button near each lamp on the overhead console to turn the reading lamps on and off. The lamps can be swiveled to point in the desired direction. If you have the mini console, press the lens on each lamp to turn it on or off. You can use the DOME OVERRIDE button, located below the parking/headlamp knob, to set the dome lamps to come on automatically when a door is opened, or to remain off. To turn the lamps off, press the button once into the "in" position. With the button in this position, the dome lamps will remain off when a door is open. To return the lamps to automatic operation, press the button again and return it to the "out" position. With the button in this position, the dome lamps will come on when you open a door. This will override the illuminated entry feature, unless you use your keyless entry transmitter to unlock the vehicle. Battery Run-Down Protection This feature shuts off the dome, courtesy, vanity, reading, glove box and underhood lamps if they are left on for more than 20 minutes when the ignition is off. This will keep your battery from running down. If the battery run-down protection shuts off the interior lamps, it may be necessary to do one of the following to return to normal operation: Dome Lamps The dome lamps will come on when you open a door. You can also turn the dome lamps on by rotating the thumbwheel, located next to the parking/headlamps knob, all the way up. In this position, the dome lamps will remain on until they are turned off. D Shut off all lamps and close all doors, or D turn the ignition key to RUN. 2-42