2004 GMC Envoy Owner's Manual - Page 104

Outside Manual Mirrors Adjust your outside mirrors so you can see a little of the side of your vehicle. Fold the mirrors in before entering a car wash. To do this, pull the mirrors in toward the vehicle. Push the mirrors back out when finished. 1. Turn the knob toward the mirror you desire to adjust. Adjust your outside mirror(s) so you can see a little of the side of your vehicle. 2. Move the knob in the direction you want the mirror to go. 3. Adjust the mirror in all four directions. 4. After you are satisfied with the position of the mirror, turn the knob to the center position or turn it to the other mirror to adjust that mirror. If you reach the mirror's end of the travel position in any direction, the mirror will enter a ratcheting mode. This action is harmless. It is a warning that the mirror can go no further. To stop this action, back the mirror up by moving the knob in the opposite direction. When the knob is turned to the center position, the mirrors can not be moved with the control knob. Outside Power Mirrors Your vehicle may have this feature. The control is located on the driver's door. 2-38