1998 Pontiac Grand Prix Owner's Manual - Page 157

When the HUD is on, the speedometer reading will be displayed continually. The current radio station CD or track number will only be displayed for three seconds after the radio CD track status changes.This will or happen whenever one the radio controls is pressed, of either on the radio itself or on the optional steering wheel controls. To adjust the HUD you can see it properly: so 2. Adjust your seat, if necessary, to a comfortable position. 3. Press the top of the UP/DN switch until the HUD image stops moving. Then press the bottom of the switch until the image as low as possible butin is full view. 4. Turn the DIM dial down until the HUD image is no brighter than necessary.To turn the HUD off, turn the DIM dial all the way down. If the sun comes out, becomes cloudy,or if you turn it on your headlamps, you may need adjust theHUD to brightness again. Polarizing sunglasses could make the HUD image harderto see. I I A CAUTION: If the HUD image istoo bright, or too high in your field of view, it may take more time see to things you need tosee when it's dark outside. Be HUD image dim and placed low sure to keep the in your field of view. 1. Start your engine and turn the DIM dial to the desired HUD image brightness. 2-82