2005 Buick Park Avenue Owner's Manual - Page 135

2. Adjust the seat to a comfortable driving position. Keep pressing the top arrow on the image height adjuster to raise the image as far as possible. 3. Keep pressing the bottom arrow on the image height adjuster to move the image as low as possible, while still keeping it in full view. 4. Slide the dimmer switch downward until the HUD image is no brighter than necessary. To turn the HUD display off, slide the dimmer switch all the way down. If the sun comes out, the sky becomes cloudy, or if you turn your headlamps on, you may need to adjust the HUD brightness using the dimmer switch. Polarized sunglasses could make the HUD image harder to see. To change the display from English to metric units, push the ENG/MET button located to the left of the steering column. Care of the HUD Clean the inside of the windshield as necessary to remove any dirt or film that reduces the sharpness or clarity of the HUD image. To clean the HUD lens, spray GM Glass Cleaner or a liquid household glass cleaner on a soft, clean cloth. Gently wipe and dry the HUD lens. Do not spray cleaner directly on the lens to avoid cleaner leaking inside the unit. If You Can't See The HUD Image When the Ignition is On If the ignition is on and you can't see the HUD image, check to see if: The headlamps are on. Something is covering the HUD unit. The HUD dimmer control is adjusted properly. The HUD image is adjusted to the proper height. A fuse is blown. See Fuses and Circuit Breakers on page 5-92. Keep in mind that your windshield is part of the HUD system. If you ever have to have your windshield replaced, be sure to get one that is designed for HUD or your HUD image may look blurred or out of focus. 3-21