2004 Chevrolet Corvette Owner's Manual - Page 135

It is possible for sunlight to enter the HUD causing all of the graphics to light up. The display will return to normal when the sunlight is no longer entering the HUD. 2. Adjust the seat to a comfortable driving position. If you change your seat position later, you may have to re-adjust your HUD. 3. Press the top or bottom of the DISPLAY switch to center the HUD image in your view. The HUD image can only be adjusted up and down, not side-to-side. 4. Slide the dimmer control downward until the HUD image is no brighter than necessary. To turn HUD off, slide the switch to OFF. If the sun comes out or it becomes cloudy, you may need to adjust the HUD brightness again using the dimmer control. Polarized sunglasses could make the HUD image harder to see. To change from English to metric units, press the E/M button located to the right of the steering wheel. Clean the inside of the windshield as needed to remove any dirt or film that reduces the sharpness or clarity of the HUD image. To clean the HUD, spray household glass cleaner on a soft, clean cloth. Wipe the HUD lens gently, then dry it. Do not spray cleaner directly on the lens because the cleaner could leak into the unit. If the ignition is on and you can't see the HUD image, check to see if: Something is covering the HUD unit. The HUD dimmer control is adjusted properly. The HUD image is adjusted to the proper height. Ambient light, in the direction your vehicle is facing, is low. on page 5-93. • A fuse is blown. See Fuses and Circuit Breakers 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 and out of focus. 3-21