2001 GMC Safari Owner's Manual - Page 128

Overhead Console (Option) Reading Lamps Press the button near each lamp to turn the reading lamps on and off. The overhead console includes reading lamps, a compartment for a garage door opener, a trip computer, a temperature and compass display, and a storage compartment for sunglasses. The reading lamps, trip computer and temperature and compass display will work when the ignition is in RUN, ACCESSORY or when Retained Accessory Power (RAP) is active. See "Retained Accessory Power" in the Index. The lamps can also be swiveled to point in the direction you want. 2-49