Buick 2002 LeSabre Owner's Manual page 157

3. Now press the image height adjuster switch to
position the image as low as possible, while still
keeping it in full view.
4. Slide the dimmer lever downward until the HUD
image is no brighter than necessary.
To turn the HUD display off, slide the dimmer lever
all the way down.
If the sun comes out and the sky becomes cloudy,
you may need to adjust the HUD brightness using
the dimmer lever. 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.
Clean the inside of the windshield as necessary to
remove any dirt or film that reduces the sharpness
or clarity of the HUD image.
2-94
To clean the HUD lens, spray 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 the ignition is on and you can't see the HUD image,
check to see if:
D
Something is covering the HUD unit.
D
The HUD dimmer lever is adjusted properly.
D
The HUD image is adjusted to the proper height.
D
A fuse is blown. See "Fuses and Circuit Breakers"
in the Index.
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.