Chevrolet 1999 Express Van Owner's Manual page 114

Camper-Type Mirrors (If Equipped)
2-46
If your vehicle is equipped
-
with the camper type
mirrors, they can be
adjusted so you can have
a clear view of objects
behind you.
1. To adjust the mirrors
when towing a trailer,
rotate the mirror by
pushing the mirror
head toward the front
of the vehicle.
2. Rotate the mirror
head, so that the
mirror surface faces
the rear of the vehicle.
yellowblue