1993 Cadillac DeVille Owner's Manual - Page 125

Just rotate theknob to choose the left or right mirror. Then move it adjust to the mirror. ... . , Convex OutsideMirror Your right side mirroris convex.A convex mirror's surface is curved a little so you can see morelooking from thedriver's seat. I A CAUTION: If you aren't used to a convex mirror, you can hit another .vehicle. A convex mirror can make other things (like vehicles) look farther away than they really are. If you cut too sharply into the right lane, you could hit a vehicle on your right. Check your inside mirror or glance over your shoulder before changing lanes. 112