1995 GMC Safari Owner's Manual - Page 95

If the switch is OFF, the interior lights will not come on when any of the vehicle doors are open. The switch is located on the instrument panel above the radio. If you have the optional reading lamps, they will still operate if the switch is in the OFF position. If you have the optional Keyless Illumination feature, the interior lamps will come on briefly when doors are locked and unlocked or the door handles are lifted. Mirrors Inside Mirror Your inside rearview mirror has two pivots so you can adjust it up and down or side to side. 2 -43