Pontiac 2005 Vibe - Manual (Page 127)

Reading Lamps
If you have a sunroof, you will have a reading lamp
near the sunroof switch. Press the button to turn
the lamp on and press it again to turn it off.
If you do not have a sunroof, your vehicle’s inside
rearview mirror may be equipped with reading lamps.
If your vehicle is equipped with reading lamps, there are
two buttons located on the bottom of the mirror. Press
the buttons to turn the lamps on and press them again to
turn the lamps off.
To prevent the battery from draining on vehicles with
power door locks, the lamps will automatically turn
off when the key is in the ACC or LOCK positions or if
the key is removed for 20 minutes or more. The lights
will come on when any of the doors are opened
or if the key is turned to the ON position.
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