GM Service Manual Online
For 1990-2009 cars only

If your vehicle is equipped with outside power camper-type mirrors, they can be adjusted so you can have a clear view of objects behind you.

To extend the mirrors move the selector switch, located above the mirror control, to the middle position. The mirror control will illuminate. Press the left side of the mirror control to slide the mirror heads away from the body of the vehicle. Press the right side of the mirror control to slide the mirror heads toward the body of the vehicle.