GMC 2002 Safari Owner's Manual page 121

There is also a map/storage pocket on the passenger's
side of the engine cover console.
2-48
Overhead Console (Option)
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, 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.