1997 Buick Century Owner's Manual - Page 124

Power Outside Mirrors(Option) The power mirror control switches are located near the driver's side window,on the annrest. To choose either the left or right outside mirror, move the top switch from left through neutralto right. Press anyof the four buttons located below the top switch to move the mirrors in the desired direction. Heated Foldaway Outside Mirrors (If Equipped) The left and right outside mirrors are heated when you activate the rear window defogger. These mirrors can also be folded rearward manually. This feature is particularly useful in automatic car washes and when maneuvering your vehicle in narrow spaces. Convex Outside Mirror Your passenger's side mirror is convex. A convex mirror's surface is curved so you can see more from the driver's seat. I of Adjust each mirror so you can see the side your vehicle and the area behind your vehcle. A convex mirror can make things (like other 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. 2-48