2009 GMC Acadia Owner's Manual - Page 100

2-32 Features and Controls Automatic Dimming Mirror Operation Automatic dimming reduces the glare from the headlamps of the vehicle behind you. The dimming feature comes on and the indicator light illuminates each time the ignition is turned to start. Outside Power Mirrors 3. Adjust each outside mirror so that a little of the vehicle and the area behind it can be seen. 4. Press either (A) or (B) again to deselect the mirror. Manually fold the mirrors inward to prevent damage when going through an automatic car wash. To fold, push the mirror toward the vehicle. Push the mirror outward, to return it to the original position. Using hood-mounted air deflectors and add-on convex mirror attachments could decrease mirror performance. Cleaning the Mirror Do not spray glass cleaner directly on the mirror. Use a soft towel dampened with water. Controls for the outside power mirrors are located on the driver door armrest. To adjust each mirror: 1. Press (A) or (B) to select the driver or passenger side mirror. 2. Press one of the four arrows located on the control pad to adjust the mirror. Turn Signal Indicator The vehicle may have a turn signal indicator lamp that is built into the mirror housing. The turn signal lamp flashes with the use of the vehicle's turn signal and hazard flashers.