GMC Sonoma 2001 Owner's Manual page 126

Reading Lamps
The lamps can also be swiveled to point in the
desired direction.
Installing a Garage Door Opener
If you have a garage door opener, the front overhead
compartment can be used to conveniently store
the opener.
2-54
Press the button near each
lamp to turn the reading
lamps on and off.
To install the garage door opener, first open the
compartment door by pressing the latch forward.
Press it firmly to the back of your garage door opener, as
close to the center of the opener as possible.
Center the garage door opener activation button over
the console door button and press the opener firmly
into place.
Peel the protective
backing from the hook
and loop patch.